Derived class inheriting from a base class. : Class Inheritance « Class « Python

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Python » Class » Class InheritanceScreenshots 
Derived class inheriting from a base class.
 

import math

class Point:
   def __init__self, xValue = 0, yValue = ):
      self.x = xValue
      self.y = yValue

class CirclePoint ):
   def __init__self, x = 0, y = 0, radiusValue = 0.0 ):
      Point.__init__self, x, y )
      self.radius = floatradiusValue )

   def areaself ):
      return math.pi * self.radius ** 2

print "Point bases:", Point.__bases__
print "Circle bases:", Circle.__bases__


print "\nCircle is a subclass of Point:", issubclassCircle, Point )
print "Point is a subclass of Circle:", issubclassPoint, Circle )

point = Point3050 
circle = Circle120892.7 )   

print "\ncircle is a Point object:", isinstancecircle, Point )
print "point is a Circle object:", isinstancepoint, Circle )

print "\npoint members:\n\t", point.__dict__
print "circle members:\n\t", circle.__dict__

print "\nArea of circle:", circle.area()

   
  
Related examples in the same category
1. Use __class__, __bases__ and __dict__ for sub and super classUse __class__, __bases__ and __dict__ for sub and super class
2. Print out class treePrint out class tree
3. Class inheritedClass inherited
4. Inherited methodInherited method
5. Polymorphism: override the function from base class
6. Definition and test function for class Circle which is based on Point class
7. Multiple Inheritance
8. inheriting from multiple superclasses
9. Use Inheritance to add more features to a class
10. class extending dict type
11. Class inheritance: inherit member variable override functionClass inheritance: inherit member variable override function
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