题解 | #简单密码#

import sys
yuanzifu = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
xianzifu = "22233344455566677778889999bcdefghijklmnopqrstuvwxyza"
a = sys.stdin.readline().strip()
for i in a:
    # 处理
    if i in yuanzifu:
        index = yuanzifu.find(i)
        print(xianzifu[index], end="")
    else:
        print(i, end="")

import sys
yuanzifu = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
xianzifu = "22233344455566677778889999bcdefghijklmnopqrstuvwxyza"
a = sys.stdin.readline().strip()
for i in a:
    # 处理
    if i in yuanzifu:
        index = yuanzifu.find(i)
        print(xianzifu[index], end="")
    else:
        print(i, end="")