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136 prog.py

@@ -0,0 +1,34 @@
+import math
+print("enter radius")
+r=float(input())
+print("enter height")
+h=float(input())
+class shade:
+    def __init__(self,r,h):
+        self.r=r
+        self.h=h
+
+    def display1(self):
+        area1=3.14*self.r*self.r
+        print("area of circle:",area1)
+
+    def display2(self):
+        a=3.14*self.r
+        b=self.r+(math.sqrt(h**2+r**2))
+        print("area of cone:",a*b)
+
+class circle(shade):
+    def __init__(self,r,h):
+        #super().__init__(r,h)
+        shade.__init__(self,r,h)
+   #def display(self):
+        #print("area of circle:",3.14*self.r*self.r)
+class cone(shade):
+    def __init__(self,r,h):
+        shade.__init__(self,r,h)
+
+
+obj1=circle(r,h)
+obj1.display1()
+obj2=cone(r,h)
+obj2.display2()