hexxor.py

# Hex xor by using strxor
def strxor(a, b):     # xor two strings of different lengths
    if len(a) > len(b):
        return "".join([chr(ord(x) ^ ord(y)) for (x, y) in zip(a[:len(b)], b)])
    else:
        return "".join([chr(ord(x) ^ ord(y)) for (x, y) in zip(a, b[:len(a)])])

print "Hex 1: ",
a = raw_input().decode("hex")
print "Hex 2: ",
b = raw_input().decode("hex")

print strxor(a,b).encode("hex")