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| class BaseClass:
| def __init__(self, a, b):
| self.a = a
| self.b = b
|
| def sumOf(self):
| return self.a + self.b
|
|
| class ExtendClass(BaseClass):
| def diffOf(self):
| return self.a - self.b
|
|
| x = BaseClass(10, 9)
| s = x.sumOf()
| print(s)
|
| y = ExtendClass(12, 4)
| sy = y.sumOf()
| dy = y.diffOf()
| print(sy, dy)
|
|
