The below function takes as input a stringified list containing arbitrary strings. Step-by-step approach: Import the re module. Why is reading lines from stdin much slower in C++ than Python? Just sayin' You are usually better off using the tools in the library for csv. create_list is building a list of all the items in the str ing form of data. Not the answer you're looking for? Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? Find centralized, trusted content and collaborate around the technologies you use most. It's clear and is the only answer that actually meets the requirements of the OP. 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. A quick but not effective solution on Jupyter NB's is, highlighting your list elements and pressing the single quote on your keyboard. Syntax Breakdown of the split () Method in Python The general syntax for the split () method is the following: Is there something better about this compared to, Python: How to add single quotes to a long list, Join a list of strings in python and wrap each string in quotation marks, How to convert list into string with quotes in python. How do I break a string in YAML over multiple lines? Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? How about saving the world? 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 What is Wario dropping at the end of Super Mario Land 2 and why? How do I get the number of elements in a list (length of a list) in Python? 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). When generating a list by hand, I generally start by creating a variable (e.g. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Thanks for contributing an answer to Stack Overflow! Looking for job perks? Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? What is the Russian word for the color "teal"? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. On whose turn does the fright from a terror dive end? There are two ways to represent strings in python. This can be used for evaluating strings containing Python values without the need to parse the values oneself. Why do men's bikes have high bars where you can hit your testicles while women's bikes have the bar much lower? Which was the first Sci-Fi story to predict obnoxious "robo calls"? 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. Here is a alternative solution in Python 3.0 which allows non-string list items: NOTE: The space after comma is intentional. 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" Which ability is most related to insanity: Wisdom, Charisma, Constitution, or Intelligence? [4 of B, 1 of G]. Are there any canonical examples of the Prime Directive being broken that aren't shown on screen? What was the actual cockpit layout and crew of the Mi-24A? 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. Using generator expressions has the benefit of also producing an iterator but saves importing itertools. Short story about swapping bodies as a job; the person who hires the main character misuses his body. I have created this function to parse the list: Is there a neater way to achieve this? How would you make a comma-separated string from a list of 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. On whose turn does the fright from a terror dive end? Asking for help, clarification, or responding to other answers. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Making statements based on opinion; back them up with references or personal experience. How do I replace all occurrences of a string in JavaScript? On what basis are pardoning decisions made by presidents or governors when exercising their pardoning power? rev2023.4.21.43403. Making statements based on opinion; back them up with references or personal experience. Furthermore, list comprehensions are generally preferred to map, thus, I'd expect generator expressions to be preferred to imap. +1. Making statements based on opinion; back them up with references or personal experience. If total energies differ across different software, how do I decide which software to use? You can always encode quotes before you build your string. This example is compatible with Python 3, as the other answer here used StringIO which is Python 2. Why does Acts not mention the deaths of Peter and Paul? By the way, there's no apostrophe in "tests" - apostrophes aren't used for plurals. This won't work if the list contains integers. 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. This question also assumes you are only working with numbers: How to convert list into string with quotes in python. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Making statements based on opinion; back them up with references or personal experience. Define a regular expression pattern that matches commas followed by any number of spaces (",\s*"). I have a list of strings: Use a list comprehension to iterate over the list of strings. 3 lines of code can accomplish this and you add a library? ), result_set = conn.execute("SELECT * FROM slack_jira WHERE severity='MEDIUM' and id IN (%s)" % ','.join('? What woodwind & brass instruments are most air efficient? Word order in a sentence with two clauses, Checks and balances in a 3 branch market economy, Tikz: Numbering vertices of regular a-sided Polygon, English version of Russian proverb "The hedgehogs got pricked, cried, but continued to eat the cactus", How to create a virtual ISO file from /dev/sr0. How a top-ranked engineering school reimagined CS curriculum (Ep. How do I parse a string representing a nested list into an actual list? Connect and share knowledge within a single location that is structured and easy to search. How can I fill out a Python string with spaces? Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey. When a gnoll vampire assumes its hyena form, do its HP change? How can I convert a comma-separated string to an array? 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. What woodwind & brass instruments are most air efficient? An example of such string "coffee", "water, hot" What I want to achieve ["coffee", "water, hot"] python Share Improve this question For eg. Parsing a string which represents a list of tuples, How to convert array string to an array in python. rev2023.4.21.43403. Is it possible to control it remotely? The re.sub replaces all these characters with nothing, and we split the resulting string at the commas. Why in the Sierpiski Triangle is this set being used as the example for the OSC and not a more "natural"? I am not working on a particular project at the moment. In Python 3, it was stored in the io module.. We can use the csv.writerow() function to write the list as a comma-separated row for a CSV file in the StringIO object. How about saving the world? my_list = [1, baz, ctrl, 4 ]) and throws a NameError message. 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')" Doesn't this work? The manual method is simply not as powerful, and does less work, so it's not surprising that it's faster. Does Python have a string 'contains' substring method? Looking for job perks? Literature about the category of finitary monads. String is enclosed either with single quotes or double quotes. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. letters = ['a', 'b', 'c', 'd'] string = ','.join (letters) print (string) After running the preceding code, we get the following output: The join () method creates a string where the individual list items are separated by a given separator character. 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. Generate points along line, specifying the origin of point generation in QGIS. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Could you please tell me what why did you say The, this would still preserve the spaces inside the quotes. What would be your preferred way to concatenate strings from a sequence such that between every two consecutive pairs a comma is added. If some IDE could give plugin support will be better, something like emmet, really doubt anyone will use program to generate it when coding. Not the answer you're looking for? How can I randomly select an item from a list? Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, Python converts from strings of word into list of word. @gangt No problem! 1. The most versatile is the list, which can be written as a list of comma-separated values (items) between square brackets. Why does python not have a professional function to perform this operation? My requirement, bringing me here, was to fill an SQL "WHERE x NOT IN ()" clause. Generic Doubly-Linked-Lists C implementation. How do I concatenate two lists in Python? How about saving the world? How do I convert a String to an int in Java? If total energies differ across different software, how do I decide which software to use? 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. Code: Let's have a look at the code. find Item wise max sales on which month in python series? How do I split a list into equally-sized chunks? I have two stored sting variable I need to concat into a different variable for an api get request. rev2023.4.21.43403. rev2023.4.21.43403. To provide overly complex alternatives is a pointless waste of time. Note that this also removes spaces from inside entries u'["oh no"]' ---> [u'ohno']. If you have nested lists, it does get a bit more annoying. eval is not recommended in several places on this thread as it will simple run as code whatever is entered, presenting a security risk. Python string functions are very popular. How do I replace all occurrences of a string in JavaScript? On what basis are pardoning decisions made by presidents or governors when exercising their pardoning power?
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