Question

How to get the length of all strings in a list with Python

Answer 1

from numpy import char

lst = ['python', 'php', 'java', 'c++', 'c']

result = char.str_len(lst)

print(result)




'''
run:

[6 3 4 3 1]

'''

 

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Answer 2

lst = ['python', 'php', 'java', 'c++', 'c']

result = [*map(len, lst)]

print(result)




'''
run:

[6, 3, 4, 3, 1]

'''

 

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Answer 3

lst = ['python', 'php', 'java', 'c++', 'c']

result = [len(val) for val in lst]

print(result)




'''
run:

[6, 3, 4, 3, 1]

'''

 

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