pyparsing includes a predefined expression for comma-separated lists: >>> from pyparsing import commaSeparatedList >>> s = "1,,2'3,4'" >>> print commaSeparatedList.parseString (s).asList () ['1', '', "2'3", "4'"] Hmm, looks like you have a typo in your data, missing a comma after the 2: Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, hi @TinNguyen it prints this select package_type from slack_jira where severity = 'MEDIUM' and record_hash in ('AAA,BBB'), okay then there is no way around that. 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. VASPKIT and SeeK-path recommend different paths. But this doesn't escape the single quotes. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. @Tomerikoo how about you store list in file and than use any method here to restore it. However i need the output like this Thanks for contributing an answer to Stack Overflow! python - Transform comma separated string into a list but ignore comma How is white allowed to castle 0-0-0 in this position? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Is it possible to control it remotely? Parsing a string which represents a list of tuples, How to convert array string to an array in python. You can do this in one line for most basic use cases, including the one given in the original question. eval is not recommended in several places on this thread as it will simple run as code whatever is entered, presenting a security risk. From the docs: Return a string which is the concatenation of the strings in the iterable iterable. python - Convert list to a string with double quotes - Code Review >>> To tackle the problem of the comma separation we can split each string in the list. Well but what to do if the List does not have quotes? Python: how to add a list to an existing txt file and it has to include the commas in the text file? Literature about the category of finitary monads. Not the answer you're looking for? Would you ever say "eat pig" instead of "eat pork"? You should note, however, that this will break if you only have one item: To solve that, you can either test the length of the list (if len(items) >= 2:), or do this, which (imho) is slightly more pythonic: As we saw above, a single item list will result in an empty value for items[:-1]. 2. i have a list and want it as a string with quotes Asking for help, clarification, or responding to other answers. When there are 1+ items in the list (if not, just use the first element): Edit: If you need an Oxford comma (didn't know it even existed!) Execute SQL for different where clause from Python. Paste the column here (into the leftmost textbox) Copy your comma separated list from the rightmost textbox. How do I make a flat list out of 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. Why does Acts not mention the deaths of Peter and Paul? Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? 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 a top-ranked engineering school reimagined CS curriculum (Ep. I have a list of strings: I think you should point out that unlike the other solutions on this page, you quote strings as well. How a top-ranked engineering school reimagined CS curriculum (Ep. Why in the Sierpiski Triangle is this set being used as the example for the OSC and not a more "natural"? Why did US v. Assange skip the court of appeal? A quick but not effective solution on Jupyter NB's is, highlighting your list elements and pressing the single quote on your keyboard. How about saving the world? Are double and single quotes interchangeable in JavaScript? This is the ugliest line of python code I've ever seen. This question also assumes you are only working with numbers: How to convert list into string with quotes in python. Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? Has the cause of a rocket failure ever been mis-identified, such that another launch failed due to the same problem? Using generator expressions has the benefit of also producing an iterator but saves importing itertools. Why does Acts not mention the deaths of Peter and Paul? 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. I'm guessing plenty has changed with Python since then. 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. What would be your preferred way to concatenate strings from a sequence such that between every two consecutive pairs a comma is added. "Signpost" puzzle from Tatham's collection. The most versatile is the list, which can be written as a list of comma-separated values (items) between square brackets. Find centralized, trusted content and collaborate around the technologies you use most. comma_string="Apple,Banana,Litchi,Mango" We now want to convert comma_string to a list. Use a list comprehension to iterate over the list of strings. Note that this also removes spaces from inside entries u'["oh no"]' ---> [u'ohno']. Why did US v. Assange skip the court of appeal? You've learned how to convert python list to string with different delimiters and a multiline String or a Tab-separated String. If total energies differ across different software, how do I decide which software to use? Instead use list.extend method, like this for word in lines: newlist.extend (word.split (",")) But you can simply use nested list comprehension like this Step-by-step approach: Import the re module. Find centralized, trusted content and collaborate around the technologies you use most. Stack Overflow . (The JSON method demands double-quotes, but does process escape sequences.) Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. WHERE column IN (@listpar) Then formatting the string isn't going to work. My two cents. Example: str_inp = "Hello,from,AskPython' To convert these types of strings to a list of elements, we have some other ways of performing the task. You can always encode quotes before you build your string. How to convert comma separated string to list that contains comma in Counting and finding real solutions of an equation, Generate points along line, specifying the origin of point generation in QGIS. What is Wario dropping at the end of Super Mario Land 2 and why? But if you want to show off with logic :) : Unless I'm missing something, ','.join(foo) should do what you're asking for. How to convert comma-delimited string to list in Python? Could you please tell me what why did you say The, this would still preserve the spaces inside the quotes. Are there any canonical examples of the Prime Directive being broken that aren't shown on screen? list_of_strings = ["A", "List", "Of", "Strings"]. Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? Convert a comma-separated String to a List in Python How do I make a flat list out of a list of lists? this one is cool, I prefer the above one is because I need it in just one place to use it. If some IDE could give plugin support will be better, something like emmet, really doubt anyone will use program to generate it when coding. Which was the first Sci-Fi story to predict obnoxious "robo calls"? The accepted answer is simple, direct and clearly the best solution. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 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 does not work if you have a list of words that you want to turn to strings, however; Python thinks you are calling variables (e.g. Doesn't this work? 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. In python, many functions, that work with lists also works with iterators (like join, sum, list). Asking for help, clarification, or responding to other answers. Why typically people don't use biases in attention mechanism? How to convert comma-delimited string to list in Python? Connect and share knowledge within a single location that is structured and easy to search. Looking for job perks? What is Wario dropping at the end of Super Mario Land 2 and why? Another way to convert a string to a list is by using the split () Python method. This avoid the result 'A,,,D,E'. Is there a weapon that has the heavy property and the finesse property (or could this be obtained)? Tikz: Numbering vertices of regular a-sided Polygon, Ethical standards in asking a professor for reviewing a finished manuscript and publishing it together. Looking for job perks? Could a subterranean river or aquifer generate enough continuous momentum to power a waterwheel for the purpose of producing electricity? This solution doesn't produce the expected output. Is there a generic term for these trajectories? What is Wario dropping at the end of Super Mario Land 2 and why. rev2023.4.21.43403. For Example : List<String> StringList = new List<String> {'1','2','3'}; and the ouput should be : Asking for help, clarification, or responding to other answers. Ignoring Commas in Quotes When Splitting a Comma-separated String ), result_set = conn.execute("SELECT * FROM slack_jira WHERE severity='MEDIUM' and id IN (%s)" % ','.join('? Connect and share knowledge within a single location that is structured and easy to search. Find centralized, trusted content and collaborate around the technologies you use most. Problem Statement Suppose we need to split the following comma-separated input: String input = "baeldung,tutorial,splitting,text,\"ignoring this comma,\""; The join() function will insert any string you like between elements but does nothing for each end of the list. What were the most popular text editors for MS-DOS in the 1980s? @SerialDownvoter: Can you please respond on posts that you downvote? Python 3.7. 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.