How to convert a string to a list in Python?

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How do you convert a string into a list?

Say the string is like text = "a,b,c". After the conversion, text == ['a', 'b', 'c'] and hopefully text[0] == 'a', text[1] == 'b'?

Like this:

>>> text = 'a,b,c'
>>> text = text.split(',')
>>> text
[ 'a', 'b', 'c' ]

Alternatively, you can use eval() if you trust the string to be safe:

>>> text = 'a,b,c'
>>> text = eval('[' + text + ']')

Python, This kind of problem of converting a list represented in string format back to list to perform tasks is quite common in web development. Let's discuss certain ways in​  There are a few useful methods to convert a Python list to the string. First, if it is a list of strings, you may use the Python join( ) function. # app.py stcast = ['millie', 'noah', 'finn'] print(type(stcast)) comcast = ', '.join(stcast) print(comcast) print(type(comcast))

Just to add on to the existing answers: hopefully, you'll encounter something more like this in the future:

>>> word = 'abc'
>>> L = list(word)
>>> L
['a', 'b', 'c']
>>> ''.join(L)
'abc'

But what you're dealing with right now, go with @Cameron's answer.

>>> word = 'a,b,c'
>>> L = word.split(',')
>>> L
['a', 'b', 'c']
>>> ','.join(L)
'a,b,c'

Python Convert String to List, Python String is a sequence of characters. We can convert it to the list of characters using list() built-in function. When converting a string to list of characters,  Python | Program to convert String to a List 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 following Python code will turn your string into a list of strings:

import ast
teststr = "['aaa','bbb','ccc']"
testarray = ast.literal_eval(teststr)

How to convert a string to a list in Python?, Like this: >>> text = 'a,b,c' >>> text = text.split(',') >>> text [ 'a', 'b', 'c' ]. Alternatively, you can use eval() if you trust the string to be safe: >>> text  In this tutorial, you can quickly discover the most efficient methods to convert Python List to String. Several examples are provided to help for clear understanding. Python provides a magical join () method that takes a sequence and converts it to a string. The list can contain any of the following object types: Strings, Characters, Numbers.

I don't think you need to

In python you seldom need to convert a string to a list, because strings and lists are very similar

Changing the type

If you really have a string which should be a character array, do this:

In [1]: x = "foobar"
In [2]: list(x)
Out[2]: ['f', 'o', 'o', 'b', 'a', 'r']
Not changing the type

Note that Strings are very much like lists in python

Strings have accessors, like lists
In [3]: x[0]
Out[3]: 'f'
Strings are iterable, like lists
In [4]: for i in range(len(x)):
...:     print x[i]
...:     
f
o
o
b
a
r
TLDR

Strings are lists. Almost.

Convert a space delimited string to list, I am new in python. Help me, please. :-)). edit: I need to make a random choice from states and make it like the variable. To convert a Python string into a list use the str.split method: >>> '1000 2000 3000 4000'.split() ['1000', '2000', '3000', '4000'] split has some options: look them up for advanced uses. You can also read the file into a list with the readlines() method of a file object - it returns a list of lines. For example, to get a list of integers from

If you actually want arrays:

>>> from array import array
>>> text = "a,b,c"
>>> text = text.replace(',', '')
>>> myarray = array('c', text)
>>> myarray
array('c', 'abc')
>>> myarray[0]
'a'
>>> myarray[1]
'b'

If you do not need arrays, and only want to look by index at your characters, remember a string is an iterable, just like a list except the fact that it is immutable:

>>> text = "a,b,c"
>>> text = text.replace(',', '')
>>> text[0]
'a'

In Python, how do I convert a string to a list in which each character , This one is already answered but we can add some more Python syntactic sugar to get the desired result: [code]>>> k = "hello" >>> list(k) ['h', 'e', 'l', 'l', 'o'] >>> [i  List To String Conversion in Python. There are many use cases and applications when you need to convert the elements of a list together to form their string. In Python, you can do this in different ways. four different methods for the list to string conversion are illustrated below with the help of examples.

How To Convert Python String To List and List To String, How To Convert Python String To List and List To String. We will see Python split(​) method, Python ast module's literal.eval(), and json.loads()  Python tips - How to easily convert a list to a string for display There are a few useful tips to convert a Python list (or any other iterable such as a tuple) to a string for display. First, if it is a list of strings, you may simply use join this way: >>> mylist = ['spam', 'ham', 'eggs'] >>> print ', '.join (mylist) spam, ham, eggs

Python tips, There are a few useful tips to convert a Python list (or any other iterable such as a tuple) to a string for display. First, if it is a list of strings, you may simply use join  How can I convert a list to a string using Python? This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question. str (anything) will convert any python object into its string representation. Similar to the output you get if you do print (anything), but as a string.

How to Convert Python List to String with Examples, Python provides a magical join() method that takes a sequence and converts it to a string. The list can contain any of the following object types: Strings, Characters,​  Convert string to integer in Python In Python an strings can be converted into a integer using the built-in int() function. The int() function takes in any python data type and converts it into a integer.But use of the int() function is not the only way to do so.

Comments
  • hi I did this like that, list(stringObject.split(','))
  • Thank you! Such a life saver!
  • @Clinteney: No problem ;-) You may also want to look into pickle if you're persisting objects to strings.
  • This is not an array, it is a list, Arrays represent basic values and behave very much like lists, except the type of objects stored in them is constrained.
  • Friendly reminder: Don't use eval, even if you trust the string to be safe. It's not worth the potential security hazard for anything more than personal scripts and fiddling in an interactive shell.
  • eval('[' + text + ']') will treat a,b,c as variables, not string.
  • Although I agree with you that @Cameron's answer was the "right now" answer I think your thoroughness makes this the more correct answer. We are rarely given comma separated strings out in the real world and it's good to know how to convert to a list regardless of format.
  • Out of curiosity, after you did myarray = array('c', text), where did the "c" go? since if you type array, you got array("c","abc"), but a[0]==a? Thank you
  • @Clinteney: The 'c' means "create an array of characters". See the docs for more info
  • I've upvoted, but too early. I obtain array('c', '1 1 91 0.001 228') when calling a = array('c',e) where e = "1 1 91 0.001 228"
  • @ValentinHeinitz Yes, that is what you must get as shown in my example. What do you expect ?
  • @joaquin: Ok, I got it. It's all right with the answer. I was confused by the question "text == [a,b,c]" should be "text == ['a','b','c']"
  • This outputs what is between the (), i.e. nothing at all.
  • Please provide some additional information along with your code so that the original poster can better understand how this solves his problem.