How to remove empty string in a list?

Question

For example I have a sentence

\"He is so .... cool!\"

Then I remove all the punctuation and make it in a list.

[\"He\", \"         


        

Answer 1

You can use filter, with None as the key function, which filters out all elements which are Falseish (including empty strings)

>>> lst = ["He", "is", "so", "", "cool"]
>>> filter(None, lst)
['He', 'is', 'so', 'cool']

Note however, that filter returns a list in Python 2, but a generator in Python 3. You will need to convert it into a list in Python 3, or use the list comprehension solution.

Falseish values include:

False
None
0
''
[]
()
# and all other empty containers