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. 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. How do I make a flat list out of a list of lists? Asking for help, clarification, or responding to other answers. It is not capable of evaluating arbitrarily complex expressions, for example involving operators or indexing. Not the answer you're looking for? Can my creature spell be countered if I cast a split second spell after it? is there any particular reason for there being a. So, following all the answers I decided to time the most common methods: You can save yourself the .strip() function by just slicing off the first and last characters from the string representation of the list (see the third line below): And with pure Python - not importing any libraries: This is another solution if you don't want to import any library: The caveat to this method is that it doesn't work if you have comma inside your string for example if your input is. What is Wario dropping at the end of Super Mario Land 2 and why? To learn more, see our tips on writing great answers. Embedded hyperlinks in a thesis or research paper. Could a subterranean river or aquifer generate enough continuous momentum to power a waterwheel for the purpose of producing electricity? How about you just take the result of your computation, and add single quotes around it as a second step: How to convert list into string with quotes in python. A comma-separated string is a string that has a sequence of characters, separated by a comma, and enclosed in Python's string quotations. What were the poems other than those by Donne in the Melford Hall manuscript? An example of such string "coffee", "water, hot" What I want to achieve ["coffee", "water, hot"] python Share Improve this question update: I got it to work as below, but I would prefer a cleaner way if possible. How about saving the world? Then you split the cleaned string on single or double quotes and take the non-empty values (or odd indexed values, whatever the preference). If you are looking to append to a list, try this: In the case of integers that are included at the string, if you want to avoid casting them to int individually you can do: It is called list comprehension, and it is based on set builder notation. +1. It also will only process a flat list of strings; the other approaches can handle complex nested data structures. How a top-ranked engineering school reimagined CS curriculum (Ep. 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: Asking for help, clarification, or responding to other answers. To learn more, see our tips on writing great answers. It's been a while, but I think I've found a quick way following @U10-Forward's idea: Thanks for contributing an answer to Stack Overflow! This solution is simpler than some I read in the previous answers, but it requires to match all features of the list. rev2023.4.21.43403. This solution doesn't produce the expected output. How do I make the first letter of a string uppercase in JavaScript? 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. 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? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Literature about the category of finitary monads. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, This solution works only with lists, don't handle the case of empty or one-element lists, and uses, @Daniel: don't disagree at all. Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? Python list of strings to 1 string separated by comma & quotes (, & ") Asked 4 years, 3 months ago Modified 4 years, 3 months ago Viewed 825 times 0 I have a list of strings: list_of_strings = ["A", "List", "Of", "Strings"] I want to convert it to one new string looking like: new_string=""" "A", "List", "Of", "Strings" """ Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. The below function takes as input a stringified list containing arbitrary strings. 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 do I parse a string to a float or int? It's not them. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Asking for help, clarification, or responding to other answers. Copy your column of text in Excel. Unwanted whitespaces in the list elements may be removed in this way: Inspired from some of the answers above that work with base Python packages I compared the performance of a few (using Python 3.7.3): I was disappointed to see what I considered the method with the worst readability was the method with the best performance there are trade-offs to consider when going with the most readable option for the type of workloads I use Python for I usually value readability over a slightly more performant option, but as usual it depends. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Looking for job perks? 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. The better solution would be using itertools.imap which returns an iterator. @Tomerikoo how about you store list in file and than use any method here to restore it. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 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. What is the difference between String and string in C#? Generate points along line, specifying the origin of point generation in QGIS, Counting and finding real solutions of an equation. How to Convert Python List to String - Definitive Guide How would you make a comma-separated string from a list of strings? Why does Acts not mention the deaths of Peter and Paul? Looking for job perks? If you have your list stored in CSV in form like OP asked: Here is how you can load it back to list: To further complete Ryan's answer using JSON, one very convenient function to convert Unicode is in this answer. 1. What was the purpose of laying hands on the seven in Acts 6:6. 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. split () splits a string into a list. How do I get the number of elements in a list (length of a list) in Python? Experts, please, tell why isn't this upvoted as the best solution? Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? my_list = [1, baz, ctrl, 4 ]) and throws a NameError message. Has depleted uranium been considered for radiation shielding in crewed spacecraft beyond LEO? What is Wario dropping at the end of Super Mario Land 2 and why? You take, the list comprehension seems to bee slower than the. How a top-ranked engineering school reimagined CS curriculum (Ep. Remove empty strings from a list of strings, Generic Doubly-Linked-Lists C implementation. Solution by Jay Riggs is correct for the original poster's situation. From the docs: str.join (iterable) This is superfluous. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. What were the most popular text editors for MS-DOS in the 1980s? Did the drapes in old theatres actually say "ASBESTOS" on them? The issue is, I usually finish writing my list, and then go in and add single quotes to every element in the list. Ethical standards in asking a professor for reviewing a finished manuscript and publishing it together, How to convert a sequence of integers into a monomial. Futuristic/dystopian short story about a man living in a hive society trying to meet his dying mother. Has the cause of a rocket failure ever been mis-identified, such that another launch failed due to the same problem? Note the embedded comma in 'H, 4' and the embedded new line in 'Header\n1' that may trip up efforts to decode if not properly encoded. rev2023.4.21.43403. 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 about saving the world? I have created this function to parse the list: Is there a neater way to achieve this? Connect and share knowledge within a single location that is structured and easy to search. How to convert comma-separated String to List? 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. But isn't that too much/complicated compared to other answers? rev2023.4.21.43403. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. My phone's touchscreen is damaged. Why can't the change in a crystal structure be due to the rotation of octahedra? How a top-ranked engineering school reimagined CS curriculum (Ep. A quick but not effective solution on Jupyter NB's is, highlighting your list elements and pressing the single quote on your keyboard. Can my creature spell be countered if I cast a split second spell after it? 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Furthermore, list comprehensions are generally preferred to map, thus, I'd expect generator expressions to be preferred to imap. What was the actual cockpit layout and crew of the Mi-24A? How to use "in" where clause in LINQ where the string set will be supplied by a list? Making statements based on opinion; back them up with references or personal experience. Python: how to add a list to an existing txt file and it has to include the commas in the text file? How do I make the first letter of a string uppercase in JavaScript? How do I make a flat list out of a list of lists? Find centralized, trusted content and collaborate around the technologies you use most.
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