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

2024-08-25 00:46:39

 my_str = 'hello'

 # for循环

 for v in my_str:

     print(v)

 # while 配合迭代器实现字符串的遍历

 ite = iter(my_str)

 while True:

     try:

         each = next(ite)

     except StopIteration:

         break

     print(each)

 results:

 h

 e

 l

 l

 o

 h

 e

 l

 l

 o

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