How to remove the last space in Python

strip() function removes spaces\n\r\tUsage of function

strip removes spaces on both sides at the same time(recommended learning: Python video tutorial)

lstrip Remove the spaces on the left

rstrip Remove the spaces on the right

Specific examples are as follows:

>>>a=" hello world！！  "
>>>a.lstrip() 'hello world！！ '
>>>a.rstrip() ' hello world！！'
>>>a.strip() 'hello world！！'

Statement: s is a string, rm is the character sequence to be deleted

s.strip(rm) deletes the s string The characters in the rm deletion sequence at the beginning and end of the s string

s.lstrip(rm) Delete the characters in the rm deletion sequence at the beginning and end of the s string

s.rstrip(rm) Delete the characters in the rm deletion sequence at the end of the s string

Note:

When rm is empty, whitespace characters (including '\n') are deleted by default , '\r', '\t', ' ')

>>> a = ' hello world！！'
>>> a.strip()
'hello world！！'
>>> a='\t\thello world！！'
'hello world！！'
>>> a = 'hello world！！\r\n'
>>> a.strip()
'hello world！！'

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