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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def is_merge_origin(self):
 """True if cell is top-left in merged cell range."""

        if self.gridSpan > 1 and not self.vMerge:
            return True
        if self.rowSpan > 1 and not self.hMerge:
            return True
        return False