python 无限迭代器（循环）

Posted 2021-05-09

def Api():
  i = 0
  elements = range(5)
  while True:
    yield elements[i % len(elements)]
    i += 1

class Api(object):
  def __init__(self):
     self.elements = range(3,5)
     self.i = 0
  def __iter__(self):
     return self
  def next(self):
     el = self.elements[ self.i % len(self.elements)]
     self.i += 1
     return el