(self)
return len(self.nodes())
Return the order of self, this is defined as the number of nodes in the graph.

        @rtype:  number
        @return: Size of the graph.
Return the order of self, this is defined as the number of nodes in the graph.
Return the order of self this is defined as the number of nodes in the graph .
def order(self):
        """
        Return the order of self, this is defined as the number of nodes in the graph.

        @rtype:  number
        @return: Size of the graph.
        """
        return len(self.nodes())
def order ( self ) : return len ( self . nodes ( ) )