def __iadd__(self, given_data):
if hasattr(given_data, '<STR_LIT>'):<EOL><INDENT>self.fromdict(given_data, '<STR_LIT>')<EOL><DEDENT>else:<EOL><INDENT>self.merge_method(self, given_data)<EOL>if given_data.k:<EOL><INDENT>for (key, val) in given_data.most_common(given_data.k):<EOL><INDENT>self._update(key, val)<EOL><DEDENT><DEDENT><DEDENT>return self<EOL>
Merge sketch
        sketch += sketch
        Param:
            <Sketch> | <dict> given_data
        Return:
            <Sketch> sketch