python3----基础 用while循环+iter()+next() 实现对字符串的遍历与输出

 1 my_str = 'hello'
 2 # for循环
 3 for v in my_str:
 4     print(v)
 5 # while 配合迭代器实现字符串的遍历
 6 ite = iter(my_str)
 7 while True:
 8     try:
 9         each = next(ite)
10     except StopIteration:
11         break
12     print(each)
13 
14 results:
15 h
16 e
17 l
18 l
19 o
20 h
21 e
22 l
23 l
24 o
原文地址:https://www.cnblogs.com/jonm/p/8269605.html