How do I remove blank lines from a string in Python?

Question

Lets say I have a variable that's data contained blank lines how would I remove them without making every thong one long line?

How would I turn this:

1

2

3

Into this:

1
2
3

Without turning it into this:

123

Answer 1

import os
text = os.linesep.join([s for s in text.splitlines() if s])

Answer 2

You can simply do this by using replace() like data.replace('\n\n', '\n')

Refer this example for better understanding.!!

data = '1\n\n2\n\n3\n\n'
print(data)

data = data.replace('\n\n', '\n')
print(data)

Output

1

2

3


1
2
3

Answer 3

text = text.replace(r"\n{2,}","\n")