题解 | #字符串加密#

table0= ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']
def jiami(mishi,mingma):
    #实现去重
    list =sorted(set(mishi),key=mishi.index) #set去重了但是无序，按照原来的顺序排序
    #添加剩余字母，生成完整的新字母表
    table= ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']
    s_low = []
    for i in list:
        s_low.append(i.lower())
        if i.lower() in table:
            table.remove(i.lower()) #remove会改变原来的table
    new_table = s_low + table 
    #输入明文
    out = str()
    for c in mingma:
        if c.isupper() == True:
            index = table0.index(c.lower())
            out += new_table[index].upper()
        else:
            index = table0.index(c)
            out += new_table[index]
    print(out)

mishi = list(input())
mingma = input()
jiami(mishi,mingma)