Question
class Demo:
def __init__(self):
self.x = 1
def change(self):
self.x = 10
class Demo_derived(Demo):
def change(self):
self.x=self.x+1
return self.x
def main():
obj = Demo_derived()
print(obj.change())
main()
a.
11
b.
2
c.
1
d.
An exception is thrown
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