title: call a base class method using a derived class object outside the derived class
body: <p>i have seen many posts that describe how to call base class function is called inside a derived class function using the super keyword.I want to call a base class overloaded function globally using a derived class object.</p>
  
  <pre><code>class a:
      def __init__(self):
          self.x=45
      def fun(self):
          print "fun in base class"
  class b(a):
      def __init__(self):
          self.y=98           
      def fun(self):
          print "fun in derived class"
  objb=b()
  objb.fun()#here i want to call the base class fun()
  </code></pre>