python list to comma separated string with single quotes

Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey. On whose turn does the fright from a terror dive end? rev2023.4.21.43403. How do I replace all occurrences of a string in JavaScript? It will not handle escape sequences in the strings, or a different quote type. Execute SQL for different where clause from Python. Has depleted uranium been considered for radiation shielding in crewed spacecraft beyond LEO? Very interesting, thank you for noting this. Parsing a string which represents a list of tuples, How to convert array string to an array in python. 1. How to check whether a string contains a substring in JavaScript? Which ability is most related to insanity: Wisdom, Charisma, Constitution, or Intelligence? Copy your column of text in Excel. How to convert a sequence of integers into a monomial, Limiting the number of "Instance on Points" in the Viewport. How to convert list into string with quotes in python Ask Question Asked 10 years ago Modified 1 year ago Viewed 24k times 8 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 = '\',\''.join (mylist) it gave me result as mystring = "1','2','3" Python PostgreSQL Statement Problem psycopg2 cursor.execute(Table Union). On what basis are pardoning decisions made by presidents or governors when exercising their pardoning power? Assuming that all your inputs are lists and that the double quotes in the input actually don't matter, this can be done with a simple regexp replace. How do I make a flat list out of a list of lists? Is it safe to publish research papers in cooperation with Russian academics? What's the cheapest way to buy out a sibling's share of our parents house if I have no cash and want to pay less than the appraised value? What does "up to" mean in "is first up to launch"? To learn more, see our tips on writing great answers. Why do men's bikes have high bars where you can hit your testicles while women's bikes have the bar much lower? The issue is, I usually finish writing my list, and then go in and add single quotes to every element in the list. What is Wario dropping at the end of Super Mario Land 2 and why? To convert a comma-separated string to a list of integers: Use the str.split () method to split the string on each occurrence of a comma. The below logic is used to convert so that list of strings such that each string is within quotes and comma separated >>> record_hash ['AAA', 'BBB', 'CCC'] >>> t="'"+&qu. Might as well round out the solutions with a recursive example. Examples: Input: List<String> = ["Geeks", "ForGeeks", "GeeksForGeeks"] Output: "Geeks, For, Geeks" Input: List<String> = ["G", "e", "e", "k", "s"] Output: "G, e, e, k, s" Approach: This can be achieved with the help of join () method of String as follows. "Signpost" puzzle from Tatham's collection. What does "up to" mean in "is first up to launch"? Did the drapes in old theatres actually say "ASBESTOS" on them? rev2023.4.21.43403. I hope this is not considered Pythonic :), my (and @wim's) comment above applies to @Daniel's original answer which he replaced with the completely different, and novel, approach currently listed above. By the way, there's no apostrophe in "tests" - apostrophes aren't used for plurals. How do I split the definition of a long string over multiple lines? To get the last item of a iterable is not that easy, because you cannot get the length, because it may be unknown in advance. You may run into such problem while dealing with scraped data stored as Pandas DataFrame. It's not them. How do I replace all occurrences of a string in JavaScript? This is a perfectly valid answer. e.g. This can be used for evaluating strings containing Python values without the need to parse the values oneself. What woodwind & brass instruments are most air efficient? 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? python fast''' Solution: to convert a list of strings to a string, call the '\n'.join (list) method on the newline character '\n' that glues together all strings in the list and returns a new string. Which was the first Sci-Fi story to predict obnoxious "robo calls"? Not the answer you're looking for? How do I read / convert an InputStream into a String in Java? Thanks for contributing an answer to Stack Overflow! it is also a duplicate answer. Connect and share knowledge within a single location that is structured and easy to search. There are two ways to represent strings in python. Would you ever say "eat pig" instead of "eat pork"? Connect and share knowledge within a single location that is structured and easy to search. Convert string "Jun 1 2005 1:33PM" into datetime. I made up some test list, I didn't really mean to say test's. rev2023.4.21.43403. That is, how do you map, for instance, ['a', 'b', 'c'] to 'a,b,c'? NIntegrate failed to converge to prescribed accuracy after 9 \ recursive bisections in x near {x}. You can use either map or a list comprehension: If you are dealing with a csv file that is something other than the trivial example here, please do remember you are better off using the csv module to read and write csv, since CSV can be surprisingly complex. Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The focus of my answer was purely on, This shouldn't have a downvote. rev2023.4.21.43403. The following: How do I create the string? json.loads() and json.dumps() from json package is the equivalent way of javascript JSON.parse() and JSON.stringify() so use json solution to keep life simpler. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. :param string: A string to be split into chunks :param separator: A separator character :param quote: A character to define beginning and end of the quoted string :return: A list of strings, one element for every chunk """ comma_separated_list = [] chunk = '' in_quotes = False for character in To subscribe to this RSS feed, copy and paste this URL into your RSS reader. This will not work if your string list is a list of lists. How would you make a comma-separated string from a list of strings? Find centralized, trusted content and collaborate around the technologies you use most. Looking for job perks? Creating a comma separated list from IList or IEnumerable. This solution doesn't fulfill the requirements of not adding extra comma for empty string and adding a 'None' with NoneType. The split () method splits a string into a list, where each list item is each word that makes up the string. Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, List of tuples to a string with spaces and punctuations in the right places. This is the most Javascript answer ever. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. If total energies differ across different software, how do I decide which software to use? -- just use: ", and" instead: Also as an aside the Pythonic way to write. @wim agree, it's pretty bad. Here is a alternative solution in Python 3.0 which allows non-string list items: >>> alist = ['a', 1, (2, 'b')] a standard way >>> ", ".join (map (str, alist)) "a, 1, (2, 'b')" the alternative solution >>> import io >>> s = io.StringIO () >>> print (*alist, file=s, sep=', ', end='') >>> s.getvalue () "a, 1, (2, 'b')" Then use split (",") seperate by comma. Which one to choose? Find centralized, trusted content and collaborate around the technologies you use most. Has depleted uranium been considered for radiation shielding in crewed spacecraft beyond LEO? I'm using python to write and read files.The data was stored in comma-separated text file. I am not working on a particular project at the moment. There exists an element in a group whose order is at most the number of conjugacy classes, Tikz: Numbering vertices of regular a-sided Polygon. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. It isn't to everyone's taste, but I like to create helper extensions for these kinds of tasks, and put them into a "utility" namespace: public static class . Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? What does "up to" mean in "is first up to launch"? That involves too many keystrokes, I think. Futuristic/dystopian short story about a man living in a hive society trying to meet his dying mother, Ethical standards in asking a professor for reviewing a finished manuscript and publishing it together. This question also assumes you are only working with numbers: How to convert list into string with quotes in python. Both the ways (single or double quotes) are correct depending upon the requirement. But isn't that too much/complicated compared to other answers? @jmanning2k using a list comprehension has the downside of creating a new temporary list. If you have 2.6 or newer, use ast instead of eval: If you're on an older version of Python, you can get very close to what you want with a simple regular expression: This isn't as good as the ast solution, for example it doesn't correctly handle escaped quotes in strings. wasn't aware of the eval danger when answer was posted. . What does "up to" mean in "is first up to launch"? How about saving the world? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Looking for job perks? Another way to convert a string to a list is by using the split () Python method. now the s is 'test's','test','test's more' I was wondering what the simplest way is to convert a string representation of a list like the following to a list: Even in cases where the user puts spaces in between the commas, and spaces inside of the quotes, I need to handle that as well and convert it to: I know I can strip spaces with strip() and split() and check for non-letter characters. But it's simple, doesn't involve a dangerous eval, and might be good enough for your purpose if you're on an older Python without ast. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Using the JOIN () method is the recommended method to convert the List to String. Looking for job perks? What was the actual cockpit layout and crew of the Mi-24A? This can also be written more compactly as: wrap the result of your commands in quotes? You can use this function to convert comma-delimited single character strings to list- def stringtolist (x): mylist= [] for i in range (0,len (x),2): mylist.append (x [i]) return mylist Share Improve this answer Follow edited Jan 30, 2019 at 2:43 answered Jan 30, 2019 at 1:55 Hemang Jalali 11 2 Add a comment 0 Generate points along line, specifying the origin of point generation in QGIS, Counting and finding real solutions of an equation. Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? Every item in string to item in list in Python, Converting a Comma Separated String to a List of Strings in Python, How to append multiple strings from a single input into a list in Python, How do you explicitly convert a string to a list. I have a string for items separated by comma. Not the answer you're looking for? This won't work if the list contains integers. When generating a list by hand, I generally start by creating a variable (e.g. So if someone puts a call to delete everything in there, it happily will. From the docs: Return a string which is the concatenation of the strings in the iterable iterable. Find centralized, trusted content and collaborate around the technologies you use most. How do I make a flat list out of a list of lists? data = ['a, b', 'c', 'd, e'] print ( [value.split (',') for value in data]) This gives us ['a', ' b'], ['c'], ['d', ' e']] To get rid of those extra whitespaces we can modify the function by using map to apply str.strip to each resulting element of the inner . To learn more, see our tips on writing great answers. How a top-ranked engineering school reimagined CS curriculum (Ep. find Item wise max sales on which month in python series? split () splits a string into a list. I tried to use the join function, but i didn't manage to do it properly: Connect and share knowledge within a single location that is structured and easy to search. Use the StringIO Module to Convert a List to a Comma-Separated String in Python. +1. What does the power set mean in the construction of Von Neumann universe? Just modify the argument to join so that each element is converted to a string: Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 3 lines of code can accomplish this and you add a library? rev2023.4.21.43403. Python, How to convert string representation of list to a list, How to read a text file into a list or an array with Python. Looking for job perks? Asking for help, clarification, or responding to other answers. Could you please tell me what why did you say The, this would still preserve the spaces inside the quotes.

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