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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 modify_pattern(self, pattern, group):
 """Rename groups in regex pattern and enclose it in named group"""

        pattern = group_regex.sub(r'?P<{}_\1>'.format(self.name), pattern)
        return r'(?P<{}>{})'.format(group, pattern)