Learn Python From 'Head First Python' [1] : The List

1.the concept of List

2. how to define a method of myself

3.how to iterator a list

 

PS:

for Step 2,3. it is related with a key word: 'def'. we define a function like below.

def function name:

　　XXXXX

e.g. list iterator :

def print_lol(the_list):
    for each in the_list:
        if isinstance(each,list):
            print_lol(each)
        else:
            print(each)