how to delete whitespace in python 2.7 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: remove all whitespace from string python

import re
s = '\n \t this is a string   with a lot of whitespace\t'
s = re.sub('\s+', '', s)