def VerifyData(func):     def VerifyInt(data):         assert(int(data) > 0)     def VerifyString(data):         assert(len(data) > 10)     def inner(*args, **kvargs):         print args         print kvargs         assert(len(args) > 1)         if args[1] == "int.txt":             VerifyInt(args[0])         elif args[1] == "string.txt":             VerifyString(args[0])         func(*args, **kvargs)     return inner @VerifyData def WriteData(text, filepath):     print "WriteData"     print text     print filepath WriteData("1234567890", "int.txt")