汉字的Unicode编码界于0x4E00和0x9FA5之间。

shzFile = open("水浒传.txt", "r", encoding = "utf-8")
hlmFile = open("红楼梦.txt", "r", encoding = "utf-8")
sSet = set(shzFile.read())
hSet = set(hlmFile.read())
shzFile.close()
hlmFile.close()

print(____)