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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 handle_group(self, text, capture=None, is_format=False):
 """Handle groups."""


        if capture is None:
            capture = tuple() if self.is_bytes else ''

        if len(self.result) > 1:
            self.literal_slots.append("".join(self.result))
            if is_format:
                self.literal_slots.extend(["\\g<", text, ">"])
            else:
                self.literal_slots.append(text)
            del self.result[:]
            self.result.append("")
            self.slot += 1
        elif is_format:
            self.literal_slots.extend(["\\g<", text, ">"])
        else:
            self.literal_slots.append(text)

        self.group_slots.append(
            (
                self.slot,
                (
                    (self.span_stack[-1] if self.span_stack else None),
                    self.get_single_stack(),
                    capture
                )
            )
        )
        self.slot += 1