Careful though, splitting an empty string does not return what one might have expected: Hope It will solve issue but please add explanation of your code with it so user will get perfect understanding which he/she really wants. String.Replace is not required here. How would you make a comma-separated string from a list of strings? Why? 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. Looking for job perks? What differentiates living as mere roommates from living in a marriage-like relationship? 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. How to combine several legends in one frame? Thanks for contributing an answer to Stack Overflow! English version of Russian proverb "The hedgehogs got pricked, cried, but continued to eat the cactus", Counting and finding real solutions of an equation, Tikz: Numbering vertices of regular a-sided Polygon. Not the answer you're looking for? Can I general this code to draw a regular polyhedron? Generic Doubly-Linked-Lists C implementation. Has the cause of a rocket failure ever been mis-identified, such that another launch failed due to the same problem? The junkers variable contains a compiled regexp (for speed) of all characters we don't want, using ] as a character required some backslash trickery. Each word will be an individual list item. On whose turn does the fright from a terror dive end? python - Transform comma separated string into a list but ignore comma It works with integers, strings (with 'crazy characters' as well) and it's just 1 line of code. How can I use format() to print out nested lists as a table? Thanks for contributing an answer to Stack Overflow! (The cases ['s'] and [] should be mapped to 's' and '', respectively.). rev2023.4.21.43403. The string or node provided may only consist of the following Python literal structures: strings, bytes, numbers, tuples, lists, dicts, sets, booleans, None and Ellipsis. How about saving the world? Step-by-step approach: Import the re module. Not the answer you're looking for? Then use split (",") seperate by comma. comma_string="Apple,Banana,Litchi,Mango" We now want to convert comma_string to a list. Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? Creating comma-separated string from list [duplicate], TypeError: sequence item 0: expected string, int found. Just sayin' You are usually better off using the tools in the library for csv. Obviously it gets more complicated if you need to quote/escape commas etc in the values. I'd like to split the string on commas; however, in the case where something is inside double quotation marks, I need it to both ignore commas and strip out the quotation marks. It is not capable of evaluating arbitrarily complex expressions, for example involving operators or indexing. For Example : List<String> StringList = new List<String> {'1','2','3'}; and the ouput should be : The json.loads(your_data) function can be used to convert it to a list. How about saving the world? Find centralized, trusted content and collaborate around the technologies you use most. Tikz: Numbering vertices of regular a-sided Polygon, Short story about swapping bodies as a job; the person who hires the main character misuses his body. How to convert list into string with quotes in python Problem Statement Suppose we need to split the following comma-separated input: String input = "baeldung,tutorial,splitting,text,\"ignoring this comma,\""; 1. It uses the solution by RootTwo given in a comment on that answer: It's generally bad practice to use + when combining strings, as it is generally slow. :) You are right. Why does Acts not mention the deaths of Peter and Paul? My phone's touchscreen is damaged. How do I make a flat list out of a list of lists? This question is just for educational purposes. If it's only a one dimensional list, this can be done without importing anything: Though this is not a safe way, the best answer is the accepted one. This can also be written more compactly as: wrap the result of your commands in quotes? How about saving the world? Using generator expressions has the benefit of also producing an iterator but saves importing itertools. Is it possible to control it remotely? What is the difference between String and string in C#? The split () method splits a string into a list, where each list item is each word that makes up the string. Could a subterranean river or aquifer generate enough continuous momentum to power a waterwheel for the purpose of producing electricity? A comma-separated string is a string that has a sequence of characters, separated by a comma, and enclosed in Python's string quotations. Use the StringIO Module to Convert a List to a Comma-Separated String in Python. You can take input as string and split it to list Why can't the change in a crystal structure be due to the rotation of octahedra? The following: How do I create the string? Stepwise explanation: VASPKIT and SeeK-path recommend different paths. You take, the list comprehension seems to bee slower than the. but I need to replace the inner quotes with 2 single quotes, like this: 'test''s','test','test''s more'. Might as well round out the solutions with a recursive example. Find centralized, trusted content and collaborate around the technologies you use most. So basically, the output would be this list of strings: ['A', 'B', 'C', 'D12121', 'E', 'F', 'G', 'H', 'I9,I8', 'J', 'K'] 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. If total energies differ across different software, how do I decide which software to use? Looking for job perks? Are there any canonical examples of the Prime Directive being broken that aren't shown on screen? You need to use the, python how to form list to comma separated string for with correct quote for sql where in statement. This will not work if your string list is a list of lists. The file 'test.csv' that the csv module produces: Note the quoting around "Header\n1" and "H, 4"` in the file so that the csv is correctly decoded in the future. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. This solution doesn't produce the expected output. 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. If your lists can have more datatypes, or even contain lists within lists, then you will need a more complete grammar - like this one in the pyparsing examples directory, which will handle tuples, lists, ints, floats, and quoted strings. Counting and finding real solutions of an equation, Generate points along line, specifying the origin of point generation in QGIS. When a gnoll vampire assumes its hyena form, do its HP change? Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? python - How to convert string representation of list to a list - Stack Connect and share knowledge within a single location that is structured and easy to search. wasn't aware of the eval danger when answer was posted. How a top-ranked engineering school reimagined CS curriculum (Ep. "Signpost" puzzle from Tatham's collection, Literature about the category of finitary monads, Limiting the number of "Instance on Points" in the Viewport. Embedded hyperlinks in a thesis or research paper. Then I'm using readlines () converted to list of strings. If total energies differ across different software, how do I decide which software to use? There are two ways to represent strings in python. Not the answer you're looking for? main.py. is there any particular reason for there being a. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. string - Python: How to add single quotes to a long list - Stack Overflow By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Has depleted uranium been considered for radiation shielding in crewed spacecraft beyond LEO? @EeroAaltonen I updated My answer, Thanks for pointing me to right. But isn't that too much/complicated compared to other answers? How do I split a list into equally-sized chunks? But the code was getting very kludgy. Short story about swapping bodies as a job; the person who hires the main character misuses his body. Python program to input a comma separated string - GeeksForGeeks Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. How about saving the world? Looking for job perks? I have a list of strings: Are double and single quotes interchangeable in JavaScript? Thanks for contributing an answer to Stack Overflow! Would you ever say "eat pig" instead of "eat pork"? Are there any canonical examples of the Prime Directive being broken that aren't shown on screen? 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. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Use the int () class to convert each string to an integer. What was the actual cockpit layout and crew of the Mi-24A? What is scrcpy OTG mode and how does it work? The accepted answer is simple, direct and clearly the best solution. How about saving the world? You need to use list.extend instead of list.append. If this is not what you wanted, the regexp needs to be souped up a bit. How can I convert a comma-separated string to an array? This is an open invitation to arbitrary code execution, NEVER do this or anything like it unless you know with absolute certainty that the input will always be 100% trusted. 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. Making statements based on opinion; back them up with references or personal experience. If you're merely trying to educate about other features of the language when there is already a viable answers, you're doing the same thing you downvoted me for. And so you can change it to: def create_list (data): return list (str (data)) I find it easier to read create_command if you merge some of the lines together: To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How do I make the first letter of a string uppercase in JavaScript? Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, Python - split list element containing character (e.g. How do I parse a string representing a nested list into an actual list? Find centralized, trusted content and collaborate around the technologies you use most. How a top-ranked engineering school reimagined CS curriculum (Ep. However i need the output like this How to split a string by comma and single quotation mark in apex? The StringIO object is similar to a file object but in memory to work with texts. Which was the first Sci-Fi story to predict obnoxious "robo calls"? How about saving the world? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. From the docs: Return a string which is the concatenation of the strings in the iterable iterable. To learn more, see our tips on writing great answers. In this example, the list element baz would throw: I tried this question on SO, but it only works if your list already contains strings: Join a list of strings in python and wrap each string in quotation marks. Instead use list.extend method, like this, But you can simply use nested list comprehension like this. What does "up to" mean in "is first up to launch"? Not the answer you're looking for? Which was the first Sci-Fi story to predict obnoxious "robo calls"? Python list of strings to 1 string separated by comma & quotes To subscribe to this RSS feed, copy and paste this URL into your RSS reader. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Does Python have a string 'contains' substring method? [Code]-List to comma-separated string values-pandas Notice the method doesn't play well with empty lists. I could use this suggestion because I knew my data was always gonna be in that format and was a data processing work. Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? Connect and share knowledge within a single location that is structured and easy to search. Convert a comma-separated String to a List in Python How about saving the world? Find centralized, trusted content and collaborate around the technologies you use most. String is enclosed either with single quotes or double quotes. eval is not recommended in several places on this thread as it will simple run as code whatever is entered, presenting a security risk. This can be achieved in Python using two ways: Using List comprehension and split () Using map () and split () Method 1: Using List comprehension and split () split () function helps in getting multiple inputs from the user. Python Join List [Ultimate Guide] - Be on the Right Side of Change Method 1: Using str.split (',') The better solution would be using itertools.imap which returns an iterator. 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. How would you count occurrences of a string (actually a char) within a string? I have two stored sting variable I need to concat into a different variable for an api get request. Asking for help, clarification, or responding to other answers. But if you want to show off with logic :) : Unless I'm missing something, ','.join(foo) should do what you're asking for. Looking for job perks? Just some data with apostrophe is all I wanted. - Paulo Scardine Jul 3, 2014 at 15:32 Add a comment 3 Answers Sorted by: 14 str.join only accepts an iterable of strings, not one of integers. As per @PaulKenjora's comment, it works for, In my case I had to replace single quotes with double quotes in initial string to ensure it works. 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. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Asking for help, clarification, or responding to other answers. Asking for help, clarification, or responding to other answers. If you know that your lists only contain quoted strings, this pyparsing example will give you your list of stripped strings (even preserving the original Unicode-ness). Futuristic/dystopian short story about a man living in a hive society trying to meet his dying mother. 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" My phone's touchscreen is damaged. /,[]) and create new elements, How to remove special character in a list of string and split it into separate elements. python - Convert list to a string with double quotes - Code Review Asking for help, clarification, or responding to other answers. this one is cool, I prefer the above one is because I need it in just one place to use it. The join() function will insert any string you like between elements but does nothing for each end of the list. There isn't any need to import anything or to evaluate. My phone's touchscreen is damaged. Futuristic/dystopian short story about a man living in a hive society trying to meet his dying mother. 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. You can always encode quotes before you build your string. If user should only enter list of numeric, I think this is the safest way to go to stop malicious intend user. How do I merge two dictionaries in a single expression in Python? Counting and finding real solutions of an equation. Correction for Craigs answer above for a 2-element list (Im not allowed to comment): I cannot take full credit but if you want succinct -- I modified RoadieRich's answer to use f-strings and also made it more concise. How do I read / convert an InputStream into a String in Java? Paste your comma separated list wherever you wish. @sqp_125, then it's a regular list, and you don't need to parse anything? Would you ever say "eat pig" instead of "eat pork"? create_list is building a list of all the items in the str ing form of data. the str.join answer is OK if your list is guaranteed to have only integers - for anything serious use the csv module, it will handle a lot of corner cases. Why can't the change in a crystal structure be due to the rotation of octahedra? Find centralized, trusted content and collaborate around the technologies you use most. rev2023.4.21.43403. If we are sure single quotes will be start and end of string then we can remove using string method for (String strFinal: str.split (',')) { System.debug ('===Final val==='+strFinal.removeStart ('\'').removeEnd ('\'')); } Share Improve this answer Follow edited Apr 12, 2016 at 7:32 answered Apr 11, 2016 at 13:49 Ratan Paul 22.3k 12 48 92 This is the ugliest line of python code I've ever seen.
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python list to comma separated string with single quotes