密钥密码
'''
如密钥短语密码为: university -> universty
明文: abcdefghijklmnopqrstuvwxyz
密文:jklmopqwxzuniverstyabcdfgh
'''
构造映射字典
# 构造映射 asc ---> crypt
def dic(x):
    list_x =[]
    list_z = []
    for i in x:
        list_x.append(ord(i))
    for i in range(97,123):
        if i not in list_x:
            list
                                    
                                    
                                         2022-06-07 19:49:22 
                                             163KB 
                                                
                                     
                                        
                                            1