for in 的实现

v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}

For  in 的实现

对于list类型，实现下标循环php 中的

Foreach（List as key=>value）{}

但在python中，list中，索引访问需要借助函数enumerate

如果不借助此方法，则会报错

For in 也可以迭代对象

正常下会迭代key值

迭代value值

全部迭代

Normal
0
false

7.8 磅
0
2

false
false
false

EN-US
ZH-CN
X-NONE

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