Clear all existing key:value items and import all key:value items from
        <mapping>. If multiple values exist for the same key in <mapping>, they
        are all be imported.

        Example:
          omd = omdict([(1,1), (1,11), (1,111), (2,2), (3,3)])
          omd.load([(4,4), (4,44), (5,5)])
          omd.allitems() == [(4,4), (4,44), (5,5)]

        Returns: <self>.

def load(self, *args, **kwargs):
        """
        Clear all existing key:value items and import all key:value items from
        <mapping>. If multiple values exist for the same key in <mapping>, they
        are all be imported.

        Example:
          omd = omdict([(1,1), (1,11), (1,111), (2,2), (3,3)])
          omd.load([(4,4), (4,44), (5,5)])
          omd.allitems() == [(4,4), (4,44), (5,5)]

        Returns: <self>.
        """
        self.clear()
        self.updateall(*args, **kwargs)
        return self