Python list without comma. ndarray slicing without comma.

Python list without comma From the keras imdb documentation. list = [[1, 2, 3], [3, 2, 1]] for item in list: print("{}". This is my attempt at doing so: ogm = repr(ogm). remove(). Struggling with my first project assignment, but I've gotten so close on my own. To print a list without brackets, you need to call the join() method on a comma as follows: Now I want to "group by" column A and aggregate each remaining column to a comma separated list without duplicates. It's a file object, wrapping standard output. This results in the string including the square brackets and the commas. replace(",", "") for x in list_with_comma] Share. Python - string into list without punctuation. List to csv without commas in Python. How to print a nested list in python without brackets or commas. join(ifilter(lambda x: x, l)) Also this solution doesn't create a new list, but uses an iterator, like @Peter Hoffmann pointed (thanks). I have some python code that splits on comma, but doesn't strip the whitespace: >>> string = "blah, lots , of , spaces, here " >>> mylist = string. Converting this list like string without commas to list. (there's also __getslice__ and __setslice__, but those are now deprecated, so let's not talk about that). 19. You may want to update your question with the other libraries you're using, and the code you have that generated the 'list' to begin with. 4. The list is supposed to have each set of data on a new line. Hot Network Questions Schengen Visa - Purpose vs Length of Stay American sci-fi comedy movie with a young cast killing aliens that hatch from eggs in a cave and take over their town CircuiTikZ distance between ground symbol and the Unpacking the resulting list of tuples into a comma-separated values. Python convert comma separated list to pandas dataframe. Modified 9 years, 5 months ago. Writing a string with comma in one column of CSV file. array as a list: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Possible Duplicate: array join() method without a separator. 14,2. Commented Sep 2, 2021 at 3:19. It doesn't use comas, but it still functions as a list of floats. Python3 tuple and list, print out string comma-seperated. Viewed 215 times 2 I have this string:- How to convert a string with comma-delimited items to a list in The official Python community for Reddit! Stay up to date with the latest news, packages, and meta information relating to the Python programming language. ['apple', 'banana', 100, 200] Create an iterable which applies str() function to each element in the list x. string representation of a numpy array This is similar to How to print a list in Python “nicely”, but I would like to print the list even more nicely -- without the brackets and apostrophes and commas, and even better in columns. join(mylist) it gave me result Printing a 2D list in python without the commas. You can't call string functions on it (like you tried). dump, but it's not the correct format. split() for word in comma_word. My data has comma in the value of the column which is also a howto print list without brackets and comma python. By leveraging the power of list comprehension and string Lists without commas? Type: Stage: resolved: Components: Versions: process. Is there a way to print this without the "set([])" stuff around it and just output the actual values they are holding? Convert everything in the set to a string, and join them together with commas. However, I cannot do this like i did in my printList function without printing the variable, which I don't want to do. 9. This is the assignment if it helps: In the main function: Create an empty list named nums. I'm using . fooli You could build a list of strings in your for loop and print afterword using join: strings = [] for : # some work to generate string strings. When making the . . __str__ may return any string, but __repr__ must return string that can be When the code is supposed to output the numbers from the list, it only prints [] (empty brackets). Convert a list of integers into a string with just one comma after x elements in Python. e. python; tuples; Share. Now, if somestuff has a comma in it, python will pass a tuple to the underlying function:. – Karl Knechtel. Also, intermediate results have been given after the code, so that we understand what is happening with an example. 0, 6. 6. I've managed to do that but I need to remove the last comma in the sequence. Both append and insert are methods that mutate the list they are used on rather than returning a new list. Hot Network Questions EMI Filter design (for failed conductive emission test) "Pull it away and slide mine out" in "Wuthering Heights" Why is my crank axle rusted on one side only? This question has been answered but I wanted to address the comment that using list comprehension is much slower than using . 0, 5. array(a) for i in np_array: print(i) It will list iterate through the np. How to convert list of tuples into list of strings with no commas. Rename multiple objects with python This is such a common question that the Python Wiki has a page dedicated to it: One Element Tuples. In this example, we are using a loop to iterate over the list elements and Steps to print list without brackets and commas in Python. 0,) is a tuple with one item. index returns first occurence from the left end (so s. Improve this answer. Printing a list without line breaks (but with spaces) in Python. Removing comma and quotations when printing list. , "Jim, Jack, & John. Selecting elements from Python array. Stay on track, keep progressing, and get Generally speaking: foo[somestuff] calls either __getitem__, or __setitem__. This simply yielded the list representation with the curly brackets being replaced with []: >>> f'unpack a list {a}' "unpack a list [1, 'a', 3 The difference is that imap() returns a generator, while map() returns a list (in python 3 it returns a generator) If I were to do: ''. Hot Network Questions Causality and Free-Will Implement any rotation-invariant function on colored dodecahedrons Need help troubleshooting a short circuit (radiant heating) Can I buy a stock without owning it? If the string contains a comma-separated list of values, then the solution is simple: str = "['x', 'y', 'z']" arr = eval(str) print isinstance(arr, list) # True However, this solution doesn't work if the list in the string is not comma separated, e. 2344)) It would be slower than putting brackets around the list comprehension, because of reasons explained here. If we were to add an element in the middle of our data structure (we've . foo[1,2] # passes a tuple If there is a :, python will pass a slice:. The project I'm stuck on is as follows: "Write a function that takes in a list of value as an argument and returns a string with all the items separated by comma and a space. I'd love to get a community opinion on that one, but alas, a question like that would probably be closed within 2 minutes here (especially if I was the one to post it ;-). 1. 6. Take the Three 90 Challenge! Finish 90% of the course in 90 days, and receive a 90% refund. This is what I tried, but it now prints the result without only brackets: But the programm needs to print these lists without any brackets and commas, only the numbers. To print just the individual elements, iterate through the list and print the To print any list in python without spaces, commas and brackets simply do. Master everything from Python basics to advanced python concepts with hands-on practice and projects. The output is: Edit: Apparently I was using python 2. 3534, 45. howto print list without brackets and comma python. Follow asked Sep 30, 2020 at 14:45. Using FuzzyWuzzy, I am comparing 2 files and want to output the results into a 3rd file. Use a traditional for loop and the end That's just the way numpy outputs its array type as a string. – To print list without spaces in Python, write a custom function that takes a list as argument, joins all the elements in the list with just a comma character as separator between the elements, and enclose the resulting string in square brackets. Print comma separated items without newline. The latter returns a list. It's short and satisfies the requirements. Beginner at Python and coding in general. Here is my code: The problem is occurring in the nextYear function. What you do to them after that is up to you, but the key takeaway here is that your JSON is a list of objects, not a single object: you don't want to parse it as a whole, but as individual records. You can use the line: How to split a python list by comma. I have done most of the string manipulation I could do, like converting to string and trying out replace etc: I have my list like below, I need to put the data of value4 properly inside `mylist without double quotes. So basically I have a file that has the following output: ['1', '2', '3'] And I want the output to be. This may be the case if objects such as files, sockets or classes are included, as well as many For Python 3, I do the same kind of thing as shxfee's answer: def print_list(my_list): print('\n'. format(doorbot_ids=tuple(doorbot_ids)) This will fail for one element list as it will put a comma at the end. Given a list in x. 2424, -64. Hot Network Questions Project Hail Mary - Why does a return trip to another star require 10x the fuel compared to a one-way trip? Merge two (saved) Apple II BASIC programs in memory What is the special significance of laying the lost >>> f'unpack a list { {*a} }' "unpack a list {1, 3, 'a', 'b'}" 3) Tried automatic unpacking with just {a} Perhaps, I was overthinking the whole procedure and hoping for some form of automatic unpacking. py and then gave the executed it with python3 q. format() As you can see, it comprises of a list of lists. I think this is better: If your goal is to display elements separated by a space instead of a comma, simply alter the print statement like so: print(* names) # This will output: Sam Peter FAQs on Top 10 Methods to Print a List without Brackets in Python. 23. Switching to 3 fixed the issue and now I am getting the proper results without the parentheses/commas. Modified 5 years, 6 months ago. remove('c') 1000000 loops, best of 3: 203 ns per loop %%timeit y = list(x) # not as fast copy There are two ways you can print a list without brackets in Python: Call the str. According to the documentation of argparse, the meaning of action is something different, and "list" is not a valid type in this context. A single CSV column includes commas - Python. I am writing a piece of code that should output a list of items separated with a comma. Use random. Python Formatting comma separated text string to save as csv file. format(item, end="\n") Result: [1, 2, 3] [3, 2, 1] Learn how to print a list in Python without commas between elements. I figured using a strip function would solve my issue I have a list of sets (using Python). 0, 9. Which Python object(s) can be indexed/sliced with multiple entries in square brackets? 1. Output CSV has comma after every character in python. Try putting python how do I join a list of strings into a search engine. Then the map(str, my_list) converts each element of the list to a string before joining them. Hot Network Questions How to use Y-sort between the TileMapLayer and the player Understanding pressure in terms of force Can the setting of The Wild Geese be deduced from the film itself? The problem in your example code is that password is not a list of characters but a list of lists. 0, 2. sample and range. When I use this code: def multiplicator(): for a in range Working with lists in Python is an essential part of data handling, and sometimes removing commas from a list becomes necessary. For example, starting from a list like ['I have to get groceries. remove commas from tuples in list. Python format array list into string. As for any expression, parentheses are optional, so you may also write one-element tuples like (1,) but it is the comma, not the parentheses, that define the tuple. Python syntax question - colon preceding a variable name-2. Also, if generateAnswer initialize and return the list, then you don't need to pass in an empty list. How to remove the last comma in a list of integers? 0. 8312. Python how to print an alternative 'end' statement. python; Share. replace() method until you get the desired result. new_list_without_comma = [x. 9,734 5 5 gold get rid of commas in a list python. My issue: I'd like to add all the digits in this string '1. – ar Method 2: String Replace Method. The default setting of print is such that comma adds whitespace after it. Printing a 2D list in python without the commas. 2. How do I check whether a file exists without exceptions? 1627. Is there a way to format a number with commas for thousands, without converting the int to a string? 0 Format a large integer with commas without using . 1,2,3 Python lets you do this easily with join: Printing a list separated with commas, without a trailing comma. dickinson, mikesiegel Priority: normal: "Lists The items of a list are arbitrary Python objects. 0, 7. I want to print them without the space after the comma and without quotation marks. Q: How do I convert a list of mixed data types? A: You can use a list comprehension to convert each item to a Your current approach has following drawbacks. Is there a way of generating a tuple of arbitrary length where the elements are not enclosed in inverted commas? The format is specified by the Abaqus interface, so there is no alternative format that can be used. txt file output of multidimensional list without comma ( , ) 0. Example 3: Print List Without Brackets Using for Loop. Related. txt or . Printing a list separated with commas, without a trailing comma. join(str(i) for i in (34. However, the trailing comma is allowed to make defining them using multiple lines easier. This tutorial provides step-by-step instructions and a complete program to achieve this using list comprehension and There are four ways to print a Python list without the commas and brackets. The list is supposed to get the square of each number. Steps to print list without quotes and commas in Python. Convert bytes to a How to create a list in python when the elements contain commas. We need that value in order to be able to separate the items in the tuple and I've recently come across this behavior in python by accident. Write list of comma separate strings to csv file in Python. Hot Network Questions Why was creating sunshields for Webb telescope challenging? When is Parker's first "I'm OK!" signal expected after it's close flyby of the Sun? Which dishes (if any) have been reserved for it? Printing a list separated with commas, without a trailing comma. Ask Question Asked 8 years, 10 as parsed JSON objects. There are several methods to achieve this and each is suitable for different situations. I'm able to handle the brackets on my own, but I'm having issues with the commas. csv file all of the words that you would like to use have to be on word on a separate line with no spaces. NumPy Array to List Conversion. 0. Instead you can iterate through the list and convert the items to strings individually. But what I get is something like this: ['value1', 'value2', 'value3'] So I want to get rid of ' and []. but if you want a raw list-comp solution: [word or ',' for comma_word in "abs, aaaa aaa". insert(0, 'foo') will result in list2 having a value of None. How to distribute comma separated element to form a list in python. join() method on a comma; Use the asterisk * symbol to unpack the list; This tutorial will show you Printing Python lists in a neat and clean format without brackets and commas is an essential skill for any Python developer. choices(). Print list items separated by any character instead of comma (Python) 0. Printing a list as a string without parentheses or commas in python. Then modify the resulting string representation of the list by using the string. Follow answered Aug 6, 2016 at 14:27. Removing all commas from list in Python. csv file. If you want your output to look like a valid Python data structure, your output is already correct. Python add trailing comma to the end of a tuple programatically. checking for equality/inequality in most cases (especially for int) should be made using ==/!= operators, not is/is not ones,; using list. Printing lists in python without spaces. What's going on is that the lifetimes of the wrapper objects are non-overlapping, so Python is free to reuse the memory. InKKK InKKK. So trailing commas can be helpful when swapping elements in a multi-line data structure, but they can also be helpful when adding new elements as well. Split by comma, newline, and carriage return. columns)) map(int, your_list) and [int(value) for value in your_list] See the documentation on map() and list comprehensions for more info. Use a join method to concatenate after converting all parts to strings. convert a list into a single string consisting with double quotes and separated by comma. 1 1 1 bronze badge. Second, you need to read these pairs out of the containing list l, this can be done using a comprehension. Saving list from python to text file in format. How to remove additional commas in a list in python. Most applications that work with csv files follow the same format. Clean data handling is crucial for accurate results, and mastering this technique can help streamline data manipulation tasks. There are four ways to print a Python list without the commas and brackets. 22. Hot Network Questions Does identity theory “solve” the hard problem of consciousness? How many percentages of radicals of the Chinese characters have a Consequently though, the slower (generator) pypy version was about 3 times faster than the faster python version (list-comp). You could add to the end or rearrange items without breaking the syntax because you left out a comma on accident. Use a traditional for loop and the end You can print a list without commas using the string. Improve this question. py in my shell. The solutions should look something like this: groupby comma-separated values in single DataFrame column python/pandas. If the formatted structures include objects which are not fundamental Python types, the representation may not be loadable. I'm doing an exercise from a python for beginners book. Use the print function with a sep argument. 5. when we want a simple and clean display of list elements without additional formatting like brackets or commas. The previous Python output shows how to use the join() method to concatenate the elements of my_list as strings, separated by a comma and a space. Script which converts array into concatenated string separated by comma. , and I'd like to display a new line after every 'row' of the list is over. I've already tried include a indent statement in . join(my_list)) a = ['foo', 'bar', 'baz'] print_list(a) which outputs. How to get values with in a single string in a list without getting separated by commas in csv file using python? 0. append(sting) print(', '. Method 2: Print List Without Quotes and Commas. What does if __name__ == "__main__": do? 4640. Take a look on pprint, The pprint module provides a capability to “pretty-print” arbitrary Python data structures in a form which can be used as input to the interpreter. " This isn't being asked as a "gotcha," but as a genuine question, as most American style manuals mandate this. choice() instead of random. So the following is the preferred approach if you want to keep the commas in the output fields: Print using list comprehension and a star expression * to evaluate the list as an iterable. 252. index('1') will be always 0 in your example), we can iterate over range if indices instead (using range built-in). literal_eval() does not work. Make lists with out commas in python. Ask Question Asked 11 months ago. One-element tuples look like: 1, The essential element here is the trailing comma. Hot Network Questions As noted by hpaulj, there is no clear default definition of how an argument list should look like and whether it is, for example, a list of strings, a list of ints, floats, or whatever. Another thing is that if you want to generate a non-repeating random list, you can use random. But whenever I do it, it writes it always with brackets and commas. How to print a list of tuples. How to print out the contents of a tuple without commas or parantheses? Hot Network Questions Can I plug a 3 plug extension cord into a 6 plug extender that is plugged into a wall outlet i have a list and want it as a string with quotes mylist = [1,2,3] require O/P as myString = "'1','2','3'" i tried mystring = '\',\''. You can either build up the string by concatenating onto the end of it with += (being careful about when you need to add a comma) or keep the list and use join() to build the string for you as mentioned in another comment. When entering the following code I get exactly the output I want: entrants = ['a','b','c','d'] # print my list with square brackets and quotation marks print (entrants) #print my list without brackets or quotes #but all on the same line, separated by commas print(*entrants, sep=", ") #print my list without brackets or quotes, each element on a different line #* is known as an parsing json data without a comma separator. how do you remove and commas from a list of tuples. Python: how to form an array with comma? 0. How to get values with in a single string in a list without getting separated by commas in csv file using python? 1. In your case you want to unpack as you go which you can do with for (x, y) in l. Adding new items over multiple lines. Here’s an example: currently I am using for s in list: print(*s) but it displays the list output as ['this is'] ['the output'] But I would like the output to be displayed as this is the output There sho The Python String join() method to create one big string from the list of strings. Thierry's re approach is the way to go. ', 'Anything else ?']. 0] np_array = np. (In this particular case, the wrapper objects are derived from the same array cell and contain the same value, but that turns out to have no effect at all on how things work out. join() method on any separator string such as ' ' or '\t'. If you use the following: import numpy as np a = [1. and I want to print it in output without bracket and commas and in separate lines, like this: 1625090429 1625090489 1625090549 1625090599 1625090599 just to make it easier to sort and compare with same, but not sort file. I had an output array without comma separator, only separated by space, when I convert to pandas dataframe the array not split to any row, just stuck in 1 row. print (i) where i is a tuple. join() method. append('foo') or list2 = list1. Split data separated by comma into lists in python. How to select ndarray data in It's pythonic, works for strings, numbers, None and empty string. Convert list to csv but data has ',' in it. : [2650 20 5] [2670 5] [1357 963 355] I solved it this way: Write comma separated values from python numpy array. ', 'I need some bananas . Could someone explain why looping through a list of lists as well as a comma separated lists result in the same result. X_train, X_test: list of sequences, which are lists of indexes (integers). using python 3. x version with from __future__ import print_function then: data = [7, 7, 7, 7] print(*data This happens, because when group() method of a MatchObject instance returns only a single value, it returns it as a string. – ovgolovin Commented Dec 3, 2011 at 21:41 This might be a easy solution for Python expert, but i am tired of finding solution. Python Array slicing. List comprehension without [ ] in Python [duplicate] Ask Question Asked 12 years, 11 months ago. Your separator() call is printing a line of a length which we can define as len_sep. Insert comma in an array. join(strings)) How do I loop through a list and print each element separated by commas without the last comma? Related. So right now I have a list of file names. As every file it has write method, which takes string, and puts it directly to STDOUT. How to remove an extra comma in dictionary of tuples in python. (1. A simple way to print a list without commas and square brackets is to first convert t he list to a string using the built-in str() function. 73. Without trailing comma it's different type – JL0PD. It does make me wonder if this special case is worth adopting. "['x' 'y' 'z']". Viewed 60 times -2 I have a list of names as elements in an array (read from a csv file), I want to split the names at the spaces and write it into a csv file. map(str, x) Join the elements in the iterable with a single space " "as separator string using string join() method. The list is generated with a for loop: for x in range(5): print(x, end=",") The problem is I don't know how to get rid of the last comma that is added with the last entry in the list. Call the str. # comma separ Printing a list in Python is a common task when we need to visualize the items in the list. You can then combine these with a join to introduce the commas between co The article outlines various methods to print a list in Python without brackets, including using the * operator, join() method, str() function It then prints the resulting string which is the list's elements separated by commas without the brackets. The * operator unpacks the list so that each List to csv without commas in Python. 7253. The default __str__ method in the tuple will print the contents in between parentheses by calling the str on each item (therefore invoking the __str__ method of each item. print(*list_name,sep='') Share. join() method on a comma; Use the asterisk * symbol to unpack the list; This tutorial will show you how to code both methods above in practice. There is no reason for your solution not to work on a randomly generated list We're done at this point! We just swapped two lines without any extra adding or removing of commas. how can i remove the last comma using python I've been working on this for two days. 3834. Does anyone have any ideas how best to convert this into a list of lists? BJR Python write elements without comma and brackets. To print list without quotes and commas in Python, write a custom function that takes a list as argument, converts each of the list element to string, then join all the elements in the list with a There are two ways you can print a list without brackets in Python: Call the str. x = ['a', 'b', 'c', 'd'] %%timeit y = x[:] # fastest way to copy y. and newline after every row. Python 2D numpy. Printing with commas in python. Some profiles from my machine (notebook using Python 3. convert a string delimited by comma into list in pandas. but i only want to print the elements without the brackets and commas. I have the following query in my python code: query = """SELECT id FROM dings_archive WHERE doorbot_id IN {doorbot_ids}; """ query = query. ) Suppose array list is already created with elements a, b and c in them. If you are confused at this point, it's because you are trying to do too much at once. Displaying python 2d list without commas, brackets, etc. split(',')] – Brian. In order to get the desired format, it is necessary to iteratively generate a new list from the list’s elements. to visually group the values in an assignment or to actually group the values if the tuple were going into some other comma-separated list, like a howto print list without brackets and comma python. Splitting a single item list at commas. Can we live life without "beliefs" or "leaps of faith"? more hot questions Question feed Subscribe to What does a colon and comma stand in a python list? 0. I'm still new to Python and want to know how I can tokenize a list of strings without every word being separated by a comma. The missing commas in the last distinguish this from a Python list. 0 . E. 0, 8. Thanks for the replies - problem solved :D. In some cases you do need the indices as well as the items, but in that situation you can generally use enumerate . (1) is just 1 in grouping parentheses. convert dataframe column of list to comma separated string in python. Trivial variation (could be faster for large inputs by pushing more work to C layer, haven't tested): from operator import itemgetter at top of file, the do list(map(itemgetter(0), items)) (can omit list wrapping on Py2). Writing a Python list of lists to a csv file. ','Anything else?'], I want to obtain a list like this: ['I have to get groceries . Pass a generator expression to convert each list element to a string For example, converting the list input ['apple, 'banana', 'cherry'] to the output ['apple', 'banana', 'cherry'] without commas, or with another separator. Your function should be able to work with any list values passed to it" Here is my code: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company You are converting a list to a string, which will give you a human readable representation of the list with brackets and commas. I had a similar problem with a list without commas and with arbitrary number of spaces. 9). size();i++){ S I'm sure most people know this but just to add: doing list2 = list1. 14,3. split(',') >>> print (with or without a lambda) should not necessarily be ruled out for performance reasons, and for me it is at least as clear as a list comprehension. ','I need some bananas. Also, it's possible to use end='' as a parameter in print function as of Python 3, or in Python 2 with adding from __future__ import print_function statement at the beginning. How to print a list of tuples without commas in Python? 1. ; we can have something like It doesn't create the list - the join method iterates over the generator as it yields the values, whereas with the list comp Python created the list first then the join iterated over that – Volatility. As @TomaszPlaskota and @quapka allude to in the comments, Python's csv writers and readers by default write/read csv fields that contain a delimiter with a surrounding '"'. 💡 Problem Formulation: When working with Python lists, you might come across the need to replace commas (or any character or string) with another delimiter or simply to remove them completely. I wrote the following in a file called q. They're for string types. If you want to print the list AS IS, python will alway print it within brackets: [0, 2, 0, 1, 3, 1, 4, 5, 2, 5] If you want to get all the numbers together, it means you want to join the numbers in the list. If you are devising your own textual representation of a tuple that does not need to be the same as Python's, you could do eg. When you print a list, Python prints the brackets and commas. 0, 3. Obviously your preference for display may vary, but you can happily pass this to print. This article covers five effective methods for achieving such transformations in To remove brackets and commas from a list in a concise and beautiful way, use list comprehension. When there are multiple values, they are returned as a tuple of strings. Many Thanks . 14' but the commas are causing my sum function to not work correctly. print list of tuples without brackets python. How to print a list without brackets. Commented Feb 16, 2013 at 11:50. However, each element within the lists are separated by tabs and not commas, and therefore ast. txt or. How to print a list of tuples with no brackets in Python. If your list is like this: list = ['Hi my name is joe', 'Hi my name is Sally', 'Hi my name is Bert'] You would then simply do this: for a in list: print(a) Which would output this: Hi my name is joe Hi my name is Sally Hi my name is Bert List to csv without commas in Python. 18. A simple way to print a list without commas is to first convert t he list to a string using the built-in str() function. stdout. is the correct Python representation of a 1-tuple. Commented Jul 28, 2021 at 3:41 @JL0PD Yeah, Python have 2 magic methods for formatting values: __str__ and __repr__. This is what the assignment states: Say you have a list value like this: listToPrint = ['apples', 'bananas', 'tofu', 'cats'] Write a program that prints a list with all the items separated by a comma and a space, with "and" inserted before the last item. If you want to leave the items in your list as strings but display them without the single quotes, you can get rid of commas in a list python. remove space and add comma in python. Building out from this SO question: Python: Keepning only the outerloop max result when comparing string similarity of two lists. This last method uses a for loop and string Displaying python 2d list without commas, brackets, etc. e. It outputs this: 0,1,2,3,4, How do I remove the ending ,? Printing a 2D list in python without the commas. If you don't want your output to look like a valid data structure, you need to customize the way you're printing it. g. Can someone advise how this can be achieved or if there is a different approach I should be using? In Python we normally loop directly over list items, rather than looping indirectly via indices: it's more efficient & produces cleaner code. mytuple is already a list (a list of tuples), so calling list() on it does nothing. You can do this with a generator: strings = (str(item) for item in [var_1, var_2[n], var3[n], en]) I'm trying to develop code in Python that formats a list in a JSON file without removing the commas or brackets. How to convert a string with comma-delimited items to a list in Python? 0. foo[:] # passes `slice(None, howto print list without brackets and comma python. How slicing in Python works. I get my value4 like below It's a common syntactical convention to allow trailing commas in an array, languages like C and Java allow it, and Python seems to have adopted this convention for its list data structure. Modified 11 months ago. – evantkchong I was trying to answer a question from an online list of python questions for beginners. [print(*item) for item in l] The star expression (*args)is documented in the Expressions reference:If the syntax *expression appears in the function call, expression must evaluate to an iterable. For example, the above list would print 'apples, bananas, tofu, and cats'. x = ['apple', 'banana', 100, 200] strPorG is a list, not a string. python how to print list of This is not a valid list in vanilla python. Python list in SQL query as parameter [duplicate] (16 answers) Closed 3 years ago. Ted Klein Bergman Ted Klein Bergman. Python pandas convert list of comma separated values to dataframe. Print list without spaces. would this work? for(int i=0;i<list. Your problem. ndarray slicing without comma. Status: closed: Resolution: not a bug: Dependencies: Superseder: Assigned To: Nosy List: mark. How to strip the last comma in a string, when I am looping the comma to separate different part of it. Is there a common way to solve this without having to manually parse the string? It's a stupid question, but I have to know why it's adding this random space after a comma. [:,:] 19. but works nicely for a Learn Python from scratch with our Python Full Course Online, designed for beginners and advanced learners alike. For example, What you are doing is using a list comprehension to build a list, after which you convert the list to a string. join(lst) + ']' to create a single string representation of the list without the quotes around the individual strings and without the (1,) is the syntax for a 1-element Python tuple whose only element is 1. To print a string list without quotes and commas, use the expression '[' + ' '. I need it to display the list of 7 numbers without brackets or commas on one line. (1234) [1234,] are both valid representations of a length-1-list, the default textual representation can be without the extra comma. If you want all the numbers in a single "flat" list you'll need to process both line and comma separators. It also doesn't alter nor add any characters on it's own, so it's handy when you need to fully control your output. Printing lists without brackets on Python. Or a variant list comprehension that ensures you really have only one item in each tuple using sequence unpacking, [item for item, in items]; tested that one as Your file actually has multiple lines (in addition to the comma separated numbers). One way to do it simply is to replace #Single element expected result 1320088L #comma separated list if more than 2 elements, below is an example 1320088L,1320089L python; mysql; string; Joining tuples within a list without converting them to Str. 14,4. List to comma-separated string values. This will allow you to have a potentially larger database of words. If the list is not going to contain numbers, we can use this simpler variation: >>> ','. example data: cat;dog:greff,snake/ example delimeters: ,;- /|: ''' def string_to_splitted_array(data,delimeters): #result list res = [] # we will add chars into sub_str until # reach a delimeter sub_str = '' for c in data: #iterate over data char by char # if I am trying to print this python list as in the format value1, value1, value3. To print each item in your list of tuples, just do: Method 2: String Replace Method. , Given a Python list, what is the preferred way to print it with comma delimiter/separator, and no intervening spaces, and no trailing comma at the end, after the last element: In Python 3, for element in a: print(str(element), sep=',', end='') only gives you 123 without commas, because print can't see the whole thing is a list; like print(a I am trying to make a program using Python that returns the variable heights without the commas or [ ] like I did for my printList function. : # you're using Python 3, or appropriate Python 2. join() to convert my array to a string so I can output it in a text box as the user selects numbers in a calculator, I'm not entirely sure how I can remove the commas that are also being output in the list however. 2344, 76. Convert comma Python: List to tuple without "Ask Question Asked 13 years, 8 months ago. Can this method be adapted to insert a comma prior to the ampersand for a list of length n, where n > 2?I. join(df. The following is a step by step process to print the given list without brackets and commas in Python. Here’s an example: I do have another question. If the nb_words argument was specific, the maximum possible index value is nb_words-1. How to groupby multiple columns into comma seperated output. --- If you have questions or are new to Python use r/LearnPython #splits string according to delimeters ''' Let's make a function that can split a string into list according the given delimeters. 0, 4. def print_cols(df): print('\n'. Ask Question Asked 9 years, 5 months ago. get rid of commas in a list python. Using For Loop. 3. foo bar baz As an aside, I use a similar helper function to quickly see columns in a pandas DataFrame. Commas or not is a display feature. 3825. Lists are formed by placing a *comma-separated* list of expressions in Take a look at sys. Format array strings to a comma delimited file. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company This is a list of Integers and this is how they are printing: [7, 7, 7, 7] I want them to simply print like this: 7777 I don't want brackets, commas or quotes. Convert bytes to a string in Python 3. Given a string with words all ending with commas (some have spaces too): WordString = 'word one, word-two, word3,' How do I convert the string to a list keeping the spaces and commas? WordList = [' List to csv without commas in Python. Hot Network Questions Is Instant Reload the only way to avoid provoking an attack of opportunity while reloading a projectile For more than one item, it is no longer necessary since it is perfectly clear it is a tuple. I'm trying to display a python 2D list without the commas, brackets, etc. How to print a list without brackets and commas. Should work in You can use an external file, such as a . wjsky joldlxdd rojalj aybuxh nbpse ihwoj lxqil rht qwsoexj fkatp