Using of strip() function

Question

I want to learn what is the difference between two code lines.I couldn't find the difference.Whenever I try to run the second code,it doesn't affect string a.

Could someone tell me why the second code line doens't work?

a = "aaaaIstanbulaaaa".strip('a')    #Affects the string
print(a)
>>>Istanbul

a = "aaaaIstanbulaaaa"     #Doesn't affect the string
a.strip('a')
print(a)
>>>aaaaIstanbulaaaa

Strings in Python are immutable. No string function ever modified the original string — Mark Tolonen, Jun 20 '21 at 17:01

score 5 · Answer 1 · answered Jun 20 '21 at 16:59

5

str.strip returns a value; it does not modify the str value invoking it. str values are immutable; you cannot modify an existing str value in any way.

answered Jun 20 '21 at 16:59

chepner

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score 2 · Answer 2 · answered Jun 20 '21 at 16:59

2

The str.strip() isn't an inplace method, it doesn't change the current object you're calling with, it returns a new one modified

That is an example of inplace modification

x = [1, 2, 3]
x.append(4)

# x is [1, 2, 3, 4]

answered Jun 20 '21 at 16:59

azro

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Using of strip() function

2 Answers2