splitting a list of sentences into separate words in a list

Question

I have a list which consists of lines as

lines =  [\'The query complexity of estimating weighted averages.\',
     \'New bounds for the query complexity of a         


        

Answer 1

You can join all lines and then use split():

" ".join(lines).split()

or you can split each line and chain:

from itertools import chain
list(chain(*map(str.split, lines)))