# #
# # l1 = [1, 2, 3]
# # l2 = [4, 5, 6]
# #
# # dict11 = dict(zip(l1, l2))
# # print(dict)
# #
# # d1 = {l1[k]: l2[k] for k in range(len(l1))}
# # print(d1)
# # print("="*30)
# #
# # dict_1 = {2:'c', 1:'a', 3:'b'}
# # print(f'原始: {dict_1}')
# #
# # dict_2 = dict(sorted(dict_1.items()))
# # print(f'升序：: {dict_2}')
# #
# # dict_3 = dict(sorted(dict_1.items(), reverse = True))
# # print(f'降序：: {dict_3}')
# #
# # dict_4 = dict(sorted(dict_1.items(), reverse = True, key = lambda v: v[1]))
# # print(f'value 降序: {dict_4}')
# #
# # dict_5= dict(sorted(dict_1.items(), key = lambda v: v[1]))
# # print(f'value 升序 {dict_5}')
# #
# # d2 = {i:i for i in range(11)}
# # print(d2)
# # print('&&'*20)
# #
# # def func_1(func):
# #     def hha():
# #         print("支付成功！！！")
# #         func()
# #     return hha
# #
# # @func_1
# # def pay():
# #     print('支付成功')
# # @func_1
# # def xia():
# #     print('xia')
# #
# # pay()
# #
# # print("&"*20)
# # xia()
# import  random
# # teacher_list = [i for i in range(1, 11)]
# # class_list = [[], [], []]
# #
# # for teacher in teacher_list:
# #     index = random.randint(0,2)
# #     class_list[index].append(teacher)
# #
# # print(class_list)
#
# num_set = set()
# while True:
#     num_set.add(random.randint(1, 100))
#
#     if len(num_set) == 10:
#         break
#
# print(f'原始： {num_set}')
# num_set_1 = sorted(num_set, reverse=True)
# print(num_set_1)

class IterSelf:
    def __init__(self, max_num):
        self.max_num = max_num
        self.a, self.b = 1, 1
        self.cnt = 0

    def __iter__(self):
        return self

    def __next__(self):
        self.cnt += 1
        ans = self.a

        if ans > self.max_num:
            raise StopIteration

        self.a , self.b = self.b, self.a + self.b
        return  ans

temp = IterSelf(13)
# for i in temp:
#     print(f'index is {temp.cnt} and value is {i}')
print(next(temp))
print(next(temp))
print(next(temp))
print(type(temp))