n = input()

s = str.maketrans('1abcdefghijklmnopqrstuvwxyz0','1222333444555666777788899990') o = n.translate(s) t = str.maketrans('ABCDEFGHIJKLMNOPQRSTUVWXYZ','bcdefghijklmnopqrstuvwxyza') p = o.translate(t) print(p)

https://www.runoob.com/python3/python3-string-maketrans.html

参考str.maketrans方法