How to convert comma-delimited string to list in Python?
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Given a string that is a sequence of several values separated by a commma:
mStr = 'A,B,C,D,E'
How do I convert the string to a list?
mList = ['A', 'B', 'C', 'D', 'E']
You can use the str.split method.
>>> my_string = 'A,B,C,D,E' >>> my_list = my_string.split(",") >>> print my_list ['A', 'B', 'C', 'D', 'E']
If you want to convert it to a tuple, just
>>> print tuple(my_list) ('A', 'B', 'C', 'D', 'E')
If you are looking to append to a list, try this:
>>> my_list.append('F') >>> print my_list ['A', 'B', 'C', 'D', 'E', 'F']
How to convert comma-delimited string to list in Python?, location_in = 'London, Greater London, England, United Kingdom' locations = location_in.split(', ') location_out = [', '.join(locations[n:]) for n in Comma-separated string to list in Python. First of all, we will store a comma-separated string in a variable comma_string. comma_string="Apple,Banana,Litchi,Mango" We now want to convert comma_string to a list. In order to do that, we will use a method split(). split() splits a string into a list. It takes delimiter or a separator as the parameter.
In the case of integers that are included at the string, if you want to avoid casting them to
int individually you can do:
mList = [int(e) if e.isdigit() else e for e in mStr.split(',')]
It is called list comprehension, and it is based on set builder notation.
>>> mStr = "1,A,B,3,4" >>> mList = [int(e) if e.isdigit() else e for e in mStr.split(',')] >>> mList >>> [1,'A','B',3,4]
Python, We will convert a comma-separated string to a list in Python by using a built-in method split(). Let us see how it actually works. In that case, direct type conversion from string to list in Python using the list()method does the job for us. Certainly, if the input string is something like“abcd”, typecasting the string into a list using the list()method gives us a list having the individual characters ‘a’, ‘b’, ‘c’, ‘d’as its elements.
>>> some_string='A,B,C,D,E' >>> new_tuple= tuple(some_string.split(',')) >>> new_tuple ('A', 'B', 'C', 'D', 'E')
How to convert comma-separated string to list in Python, I wanted them in a python list, that is for each individual item to be treated as a string. Thus each item it needed to be enclosed by quotes. python – os.listdir() returns nothing, not even an empty list – Stack Overflow February 20, 2020 Python Leave a comment Questions: During a presentation yesterday I had a colleague run one of my scripts on a fresh installation of Python 3.8.1.
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
Convert string of comma separated values to python list – AndyPi, Converting a list into a comma-separated string results in a string where each element of the list is separated by a comma. For example, converting ["a", "b", "c"] Given a string of comma separated numbers, we want to convert that string to a Python list of integers. Solution. The idea here is to split the string into tokens then convert each token to an integer. We can do that in a couple of ways. Let us see how… Use a list comprehension and the split function using the comma as a delimiter
#splits string according to delimeters ''' Let's make a function that can split a string into list according the given delimeters. example data: cat;dog:greff,snake/ example delimeters: ,;- /|: ''' def string_to_splitted_array(data,delimeters): #result list res =  # we will add chars into sub_str until # reach a delimeter sub_str = '' for c in data: #iterate over data char by char # if we reached a delimeter, we store the result if c in delimeters: # avoid empty strings if len(sub_str)>0: # looks like a valid string. res.append(sub_str) # reset sub_str to start over sub_str = '' else: # c is not a deilmeter. then it is # part of the string. sub_str += c # there may not be delimeter at end of data. # if sub_str is not empty, we should att it to list. if len(sub_str)>0: res.append(sub_str) # result is in res return res # test the function. delimeters = ',;- /|:' # read the csv data from console. csv_string = input('csv string:') #lets check if working. splitted_array = string_to_splitted_array(csv_string,delimeters) print(splitted_array)
How to make a list into a comma-separated string in Python, A comma-separated string is a string with values separated by commas. Converting a comma-separated string to a list creates a list with each value as an element. Input a comma - separated string using raw_input () method. Split the elements delimited by comma (,) and assign it to the list, to split string, use string.split () method. The converted list will contains string elements. Convert elements to exact integers:
How to convert a comma-separated string to a list in Python, Use this built-in method:- List<String> items = Arrays.asList(str.split("\\s*,\\s*"));. The above code breaks the string on a delimiter fixed as zero or In this program, we will try to convert a given string to a list, where spaces or any other special characters, according to the users choice, are encountered.
- The title asks a different question than the body.
- You don't have a list, initially, you have a string.
- Related Convert string representation of list to list in Python
- Careful though, splitting an empty string does not return what one might have expected:
[""](a list with one element, which is empty string).
- 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.
- Looks like a duplicate of the already accepted answer (9 years ago).