freeCodeCamp/curriculum/challenges/chinese/07-scientific-computing-with-python/python-for-everybody/objects-a-sample-class.md

id, challengeType, videoId

id	challengeType	videoId
5e7b9f160b6c005b0e76f086	11	FiABKEuaSJ8

--question--

--text--

What will the following program print?:

class PartyAnimal:
    x = 0
    def party(self):
        self.x = self.x + 2
        print(self.x)

an = PartyAnimal()
an.party()
an.party()

--answers--

So far 1

So far 2

---

0

0

---

2

2

---

2

4

--video-solution--

4

--hints--

--solutions--