Python: 练习 yield 创建生成器

generator_1 = (i for i in range(3))
print(generator_1)
# print(*generator_1)
print(next(generator_1))
print("*" * 20)
for i in generator_1:
    print(i)
print("*" * 20)


def fibonacci(num):
    a = 0
    b = 1

    i = 0
    while i < num:
        result = a
        a, b = b, a + b
        i += 1
        yield result


generator_2 = fibonacci(100)
print(next(generator_2))
print("*" * 20)
for i in generator_2:
    print(i)