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: l
