how to remove extra spaces in python code example

Example 1: remove extra spaces and empty lines from string python

"\n".join([s for s in code.split("\n") if s])

Example 2: python remove spaces

string=' t e s t ' 
print(string.replace(' ',''))

Example 3: remove extra spaces python

>>> import re
>>> re.sub(' +', ' ', 'The     quick brown    fox')
'The quick brown fox'