append(): we are appending one element at end of the list
del()  : we can delete item assignment
count() : It will check how many times element exist and if its not exist give as 0.
extend() : extend means joining them together
insert() : insert method is help to  insert object/element  based on index
count()  : we can count how many times element exist
pop()  : we can delete basic element by using value or without using value
remove(): It will remove based on the given element.
sort() : It will sort based on ASCII values
index(): In index method,we can check specific value to see if its exist or not.