for循环及用for循环写猜年龄游戏

for循环：

for i in  range(0,10,2):
    print("loop",i)

for循环写猜年龄：

age_of_XueKe=18

for i in range(3):
    age = int(input("age:"))
    if age == age_of_XueKe:
        print("Yes,you got it!")
        break
    elif age >age_of_XueKe:
        print("Think smaller!")
    else:
        print("Think bigger!")
else:
    print("You have tried too many times...")