How to remove empty lines with or without whitespace in Python

Question

I have large string which I split by newlines. How can I remove all lines that are empty, (whitespace only)?

pseudo code:

for stuff in largestring:
          


        

Answer 1

I also tried regexp and list solutions, and list one is faster.

Here is my solution (by previous answers):

text = "\n".join([ll.rstrip() for ll in original_text.splitlines() if ll.strip()])