##正反手连个字典搞定 参考了热门题解改进了一下 s1 = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" s2 = "1234567890BCDEFGHIJKLMNOPQRSTUVWXYZAbcdefghijklmnopqrstuvwxyza" d1 = dict(zip(s1,s2)) d2 = dict(zip(s2,s1)) str1, str2 = input(), input() for i in str1: print(d1[i],end="") print() for j in str2:...