class Person:
def __init__(self, id):
self.id = id
obama = Person(100)
obama.__dict__['age'] = 49
print obama.age + len(obama.__dict__)# your code goes here
Y2xhc3MgUGVyc29uOgogICAgZGVmIF9faW5pdF9fKHNlbGYsIGlkKToKICAgICAgICBzZWxmLmlkID0gaWQKCm9iYW1hID0gUGVyc29uKDEwMCkKCm9iYW1hLl9fZGljdF9fWydhZ2UnXSA9IDQ5CnByaW50IG9iYW1hLmFnZSArIGxlbihvYmFtYS5fX2RpY3RfXykjIHlvdXIgY29kZSBnb2VzIGhlcmU=