how do you remove white spaces from the beginning and end of a string in python code example

Example 1: python remove whitespace from start of string

'     hello world!    '.strip()
'hello world!'


'     hello world!    '.lstrip()
'hello world!    '

'     hello world!    '.rstrip()
'    hello world!'

Example 2: python delete white spaces

sentence = ' hello  apple'
sentence.strip()
>>> 'hello  apple'