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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 groups(self, group_type=None, filters=None, params=None):
 """ Gets all groups from a tag. Args: filters: params: group_type: """

        group = self._tcex.ti.group(group_type)
        for g in self.tc_requests.groups_from_tag(group, self.name, filters=filters, params=params):
            yield g