从字符串返回迭代器

  1. mystr = "banana"
  2. myit = iter(mystr)
  3.  
  4. print(next(myit))
  5. print(next(myit))
  6. print(next(myit))
  7. print(next(myit))
  8. print(next(myit))
  9. print(next(myit))