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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 reach_max_num(self):
 """Check if downloaded images reached max num. Returns: bool: if downloaded images reached max num. """

        if self.signal.get('reach_max_num'):
            return True
        if self.max_num > 0 and self.fetched_num >= self.max_num:
            return True
        else:
            return False