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Python | Splitting string to list of characters

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  • Last Updated : 07 Jan, 2023
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Sometimes we get a string and we need to split it into the individual processing. This is quite a common utility and has application in many domains, be it Machine Learning or Web Development. Having shorthands to it can be helpful. Let’s discuss certain ways in which this can be done.

Method #1 : Using list()
This is the simplest way to achieve this particular task using the internal implementation of the inbuilt list function which helps in breaking a string into its character components.




# Python3 code to demonstrate
# split string to character list
# using list()
 
# initializing string
test_string = 'GeeksforGeeks'
 
# printing the original string
print ("The original string is : " + str(test_string))
 
# using list()
# to split string to character list
res = list(test_string)
 
# printing result
print ("The splitted character's list is : " + str(res))


Output :

The original string is : GeeksforGeeks
The splitted character’s list is : [‘G’, ‘e’, ‘e’, ‘k’, ‘s’, ‘f’, ‘o’, ‘r’, ‘G’, ‘e’, ‘e’, ‘k’, ‘s’]

 

Method #2 : Using map()
The map function can also be used to perform this particular task. The map function needs to be feeded with None value to perform this task as first argument and the target string as the last argument. Works for Python2 only.




# Python code to demonstrate
# split string to character list
# using map()
 
# initializing string
test_string = 'GeeksforGeeks'
 
# printing the original string
print ("The original string is : " + str(test_string))
 
# using map()
# to split string to character list
res = list(map(None, test_string))
 
# printing result
print ("The splitted character's list is : " + str(res))


Output :

The original string is : GeeksforGeeks
The splitted character’s list is : [‘G’, ‘e’, ‘e’, ‘k’, ‘s’, ‘f’, ‘o’, ‘r’, ‘G’, ‘e’, ‘e’, ‘k’, ‘s’]

Method #3 : Using List comprehension
You can use a list comprehension to split the string into a list of characters:.
Time complexity: O(n)
Space complexity: O(n)




test_string = 'GeeksforGeeks'
 
# Use a list comprehension to split the string into a list of characters.
res =
 
print(res)  # Output: ['G', 'e', 'e', 'k', 's', 'f', 'o', 'r', 'G', 'e', 'e', 'k', 's']


Output :

Output: [‘G’, ‘e’, ‘e’, ‘k’, ‘s’, ‘f’, ‘o’, ‘r’, ‘G’, ‘e’, ‘e’, ‘k’, ‘s’]


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