How to replace a string in a function with another string in Python?

Question

I want to do this:

>>> special = \'x\'
>>> random_function(\'Hello how are you\')
\'xxxxx xxx xxx xxx\'

I basically want

Answer 1

Not sure if I should add this in a comment or an entire answer? As someone else suggested, I would suggest using the regex but you can use the \w character to refer to any letter of the alphabet. Here's the full code:

  import re

 def random_function(string):
     newString=re.sub('\w', 'x', string) 
     return(newString)

 print(random_function('Hello how are you'))

Should print xxxxx xxx xxx xxx