题解 | #字符串加密#

key = input()

line1 = 'abcdefghijklmnopqrstuvwxyz'
line2 = []
for i in key:
    if (i in line2) == False:
        line2.append(i)
for i in line1:
    if (i in line2) == False:
        line2.append(i)

meg = input() 
out = []
for i in meg:
    out.append(line2[line1.index(i.lower())]) # 加密

for i in range(len(meg)): # 判断大小写
    if meg[i].isupper():
        out[i] = out[i].upper()

print(''.join(out))