How do I trim whitespace from a string(right left and between spaces)?

Question

I want to remove any extra whitespace in a sentece how can i do this with python? for ex :

("  hello   world") >>>  ("hello world")

Answer 1

str = " hello     world "
str_clean = ' '.join(str.split())
print(str_clean)

hello world

Edited, I think I overlooked your initial text.