Please explain working methods??

Question

find(),pop(),apeend,extend

Answer 1

find() search for a substring in a string
pop() retrieve last item in a list
append() add one item at a list end
extend() add many items at a list end

Google them to find references about it and learn exact parameters to provide for use them ^^

Answer 2

Everything that visph said, except for find(). It does not exist for lists. That typically is found when manipulating strings though. Strings and lists have similar behavior, but different methods.

Answer 3

Thank's for correcting me @Sapphire: I'm very new in Python, and have low phone connexion actually, so was too lazy to verify what I posted ;P