Python list comprehensions

Loop through the list of

1. Use a for loop

For each data output list of more efficient, can be accomplished using a loop

demo:

    namesList = ['xiaoWang','xiaoZhang','xiaoHua']
    for name in namesList: print(name) 

result:

    xiaoWang
    xiaoZhang
    xiaoHua

2. Use a while loop

For each data output list of more efficient, can be accomplished using a loop

demo:

    namesList = ['xiaoWang','xiaoZhang','xiaoHua']

    length = len(namesList)

    i = 0

    while i<length: print(namesList[i]) i+=1 

result:

    xiaoWang
    xiaoZhang
    xiaoHua