日 - 循环练习

哈喽！大家好，很高兴又见面了，我是golang学习网的一名作者，今天由我给大家带来一篇《日 - 循环练习》，本文主要会讲到等等知识点，希望大家一起学习进步，也欢迎大家关注、点赞、收藏、转发! 下面就一起来看看吧！

1.打印此号码：
1 2 3 4 5 5 4 3 2 1

no = 1
top = 5
direction = 1
while no>0:
    print(no,end= ' ')
    if no == top:
        print(no,end=' ')
        direction = -1
    no = no + direction

1 2 3 4 5 5 4 3 2 1 

2.猜数字游戏：

import random

system_no = random.randint(1,20)

while true:
    guess = int(input("enter the no. "))
    if guess == system_no:
        print("hurray!  i got the number!! ")
        break
    elif guess > system_no:
        print("your guess is too high! ")
    else:
        print("your guess is too low! ")

enter the no. 15
your guess is too low! 
enter the no. 17
your guess is too low! 
enter the no. 19
hurray!  i got the number!! 

3.找出数字中最大的数字

no = int(input("enter no. "))
max_no = 0
while no>0:
    rem = no%10
    if rem>max_no:
        max_no = rem
    no//=10

print(max_no)

enter no. 2357
7

4.找出数字中最小的数字

no = int(input("enter no. "))
min_no = 9
while no>0:
    rem = no%10
    if rem





enter no. 2357
2




5.collat​​z 序列

编写一个程序，打印给定数字的 collat​​z 序列，直到达到 1。

规则：

if the number is even: n=n/2
if the number is odd: n=3n+1.




def even_odd(no):

    while no>0:
        num=no%10
        if num%2==0:
            even=num/2

        else:
            odd=3*num+1

        no=no//10
    return even,odd
no=int(input("enter the number:"))
even,odd=even_odd(no)
print("even number:",even)
print("odd number:",odd)







Enter the number:12
even number: 1.0
odd number: 4







          

            
        
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