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Python之List的遍歷方式

參考文章:https://blog.csdn.net/pwh309315228/article/details/79093679

前言:頸椎病犯了,媽蛋,好疼

 

0、直接上乾貨,第一種:for in

girl_list = ["貂蟬", "狐狸精","範金鏈","翠花","小班"]

for everyOne in girl_list:
    print(everyOne)

輸出結果:

貂蟬
狐狸精
範金鏈
翠花
小班

1、第二種,使用內建函式enumerate,但我怎麼也找到一個同名的class

girl_list = ["貂蟬", "狐狸精","範金鏈","翠花","小班"]

for index,everyOne in enumerate(girl_list):
    print str(index) + everyOne

輸出結果:

0貂蟬
1狐狸精
2範金鏈
3翠花
4小班

 

2、第三種,使用range()或者xrange(),這倆內建函式,會把傳入的數字,分解成一個List,比如range(5),那就是[0,1,2,3,4]

girl_list = ["貂蟬", "狐狸精","範金鏈","翠花","小班"]

for index in range(len(girl_list)):
    print girl_list[index]
girl_list = ["貂蟬", "狐狸精","範金鏈","翠花","小班"]

for index in xrange(len(girl_list)): #使用xrange函式
    print girl_list[index]

輸出結果:

貂蟬
狐狸精
範金鏈
翠花
小班

3、第四種,使用iter(),同樣是內建函式,返回迭代器,牛x

girl_list = ["貂蟬", "狐狸精","範金鏈","翠花","小班"]

for everyOne in iter(girl_list):
    print everyOne

輸出結果:

貂蟬
狐狸精
範金鏈
翠花
小班