只能说善用字典 x=input() # x='YUANzhi1987' # zvbo9441987 di={"abc":2, "def":3, "ghi":4, "jkl":5, "mno":6, "pqrs":7, "tuv":8 ,"wxyz":9} c='j' pwd='' for i in x: if ord(i)>96 and ord(i)<123:  ...