remove spaces from string python in O(1) code example

Example 1: remove spaces from string python

s = '  Hello   World     From  Pankaj  \t\n\r\t  Hi       There        '

>>> s.replace(" ", "")
'HelloWorldFromPankaj\t\n\r\tHiThere'

Example 2: trimming spaces in string python

a = "      yo!      "
b = a.strip() # this will remove the white spaces that are leading and trailing