Convert upper case letters to lower case

Question

In a script which reads the input and than lists it, i want it to convert upper case letters to lower case, how can i do that?

for the following code:

 for words in text.readlines():
    sentence = [w.strip(',.') for w in line.split() if w.strip(',.')]
    list.append(sentence)

Answer 1

You can convert upper case to lower case using the following :

w.strip(',.').lower()