def fun1():
    for i in range(10):
        yield i
        pirnt(i)
a1=fun1()
print(type(a1))

结果:

<class 'generator'>#生成器对象

def fun1():
    for i in range(10):
        yield i
a1=fun1()
print(type(a1))
for i in a1:#此时的a1与range()一样就相当于一个生成器
    print(i)