def __getitem__(self, i: Any) -> StringVar:
        """Get a slice of the string.

        Args:
            i: The slice.

        Returns:
            The string slice operation.
        """
        if isinstance(i, slice):
            return self.split()[i].join()
        if not isinstance(i, (int, NumberVar)) or (
            isinstance(i, NumberVar) and i._is_strict_float()
        ):
            raise_unsupported_operand_types("[]", (type(self), type(i)))
        return string_item_operation(self, i)
Get a slice of the string.

        Args:
            i: The slice.

        Returns:
            The string slice operation.
        
reflex/vars/sequence.py