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huytung228/abstract_class.py

Created July 20, 2021 10:30
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abstract_class.py
from abc import ABC, abstractmethod
class Polygon(ABC):
@abstractmethod
def noofsides(self):
pass
class Triangle(Polygon):
# overriding abstract method
def noofsides(self):
print("I have 3 sides")
class Pentagon(Polygon):
# overriding abstract method
def noofsides(self):
print("I have 5 sides")
# Driver code
R = Triangle()
R.noofsides()
R = Pentagon()
R.noofsides()
# Error when instantiate abstract class
P = Polygon()
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