(self, items)
Convenience method to add a sequence of ``(key, value)`` pairs. This
        is the same as calling :meth:`HashWriter.add` on each pair in the
        sequence.
Convenience method to add a sequence of ``(key, value)`` pairs. This
        is the same as calling :meth:`HashWriter.add` on each pair in the
        sequence.
Convenience method to add a sequence of ( key value ) pairs . This is the same as calling : meth : HashWriter . add on each pair in the sequence .
def add_all(self, items):
        """Convenience method to add a sequence of ``(key, value)`` pairs. This
        is the same as calling :meth:`HashWriter.add` on each pair in the
        sequence.
        """

        add = self.add
        for key, value in items:
            add(key, value)
def add_all ( self , items ) : add = self . add for key , value in items : add ( key , value )