倒序输出

print(input()[::-1])

计算斜边

a, b = map(float, input().split())
print(f'{(a*a+b*b)**0.5:.2f}')

幸运学号

from random import choice
from os import system
from msvcrt import getch

names = ['A','B','C','D']
numbers = range(1, len(names)+1)

mapping = list(zip(numbers, names))

while True:
    system('cls')
    number, name = choice(mapping)
    print(number, name)
    getch()

随机座位

import random

row = 6
col = 6

names = list('0123456789QWERTYUIOPASDFGHJKLZXCVBNM')        
random.shuffle(names)

for num, name in enumerate(names):
    print(name, end=' ')
    if (num+1)%col == 0:
        print()

人机猜拳

import random

choices = 'SRP'
num = {c:i for (i,c) in enumerate(choices)}
    
diff_prompt = {
    0: '平局',
    1: '机器赢',
    2: '人赢'
}

diff_cnt = {0:0, 1:0, 2:0}

while True:
    human = input('输入 SRP，输入其他则结束：')
    if human not in choices:
        break
    
    machine = random.choice(choices)
    print('机器出了:', machine)
    
    diff = (num[machine]-num[human]) % 3
    print(diff_prompt[diff] + '！')
    diff_cnt[diff] += 1
    
for diff, cnt in diff_cnt.items():
    print(f'{diff_prompt[diff]}: {cnt} 次')