def main():
    t1=Triangle() 
    t1.create(3,4,5) # can call using object reference
    test_shape(t1)

    t2=Triangle() #change this
    Triangle.create(t2,3,4,12) # can also call using class reference
    test_shape(t2)

    c=Circle.create(7) # can be called only using class refernce
    test_shape(c)

    c2=Circle.create(-3)
    test_shape(c2)
Example #2
0
def main():
   t1=Triangle.create(3,4,5)
   use_triangle(t1)

   t2=Triangle.create(3,4,12)
   use_triangle(t2)