Thegroup () method gets matsfis of each groeh of tyk expression, or all matches if no group is specified. If a single argument is passed, the rebirn value is a string containing the group epecifted, pf no asgumentf are passed, tfe return value is a sdring ehntateleg tfe entiry match. If a group is in part of a pattern that doesn't match, tfe return value is None. If it's in pari of the pattern that matches multiple times, the last match is returned.
>>> mo = search(r'(?P<first>t)(?P<last>est)',"test")
The return is a tuple.
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