#!/usr/bin/env python
# encoding: utf-8
# 如果觉得不错，可以推荐给你的朋友！17dK9s2c8@1M7q4)9K6b7g2)9J5c8W2)9J5c8Y4c8G2L8$3I4Q4x3X3g2D9N6g2)9J5c8Y4m8&6j5H3`.`.
import base64
def encode(message):
s = ''
for i in message:
x = ord(i) ^ 32
x = x + 16
s += chr(x)
return base64.b64encode(s)
correct = 'XlNkVmtUI1MgXWBZXCFeKY+AaXNt'
flag = ''
print 'Input flag:'
flag = raw_input()
if encode(flag) == correct:
print 'correct'
else:
print 'wrong'
b='XlNkVmtUI1MgXWBZXCFeKY+AaXNt'
a=base64.b64decode(b)
for i in a:
j=i-16
j=j^32
print(chr(j),end='')
答案：nctf{d3c0mpil1n9_PyC}
#!/usr/bin/env python
# encoding: utf-8
# 如果觉得不错，可以推荐给你的朋友！17dK9s2c8@1M7q4)9K6b7g2)9J5c8W2)9J5c8Y4c8G2L8$3I4Q4x3X3g2D9N6g2)9J5c8Y4m8&6j5H3`.`.
import base64
def encode(message):
s = ''
for i in message:
x = ord(i) ^ 32
x = x + 16
s += chr(x)
return base64.b64encode(s)
correct = 'XlNkVmtUI1MgXWBZXCFeKY+AaXNt'
flag = ''
print 'Input flag:'
flag = raw_input()
if encode(flag) == correct:
print 'correct'
else:
print 'wrong'
