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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 write_to(self, group, append=False):
 """Write the data to the given group. :param h5py.Group group: The group to write the data on. It is assumed that the group is already existing or initialized to store h5features data (i.e. the method ``Data.init_group`` have been called. :param bool append: If False, any existing data in the group is overwrited. If True, the data is appended to the end of the group and we assume ``Data.is_appendable_to`` is True for this group. """

        write_index(self, group, append)
        self._entries['items'].write_to(group)
        self._entries['features'].write_to(group, append)
        self._entries['labels'].write_to(group)
        if self.has_properties():
            self._entries['properties'].write_to(group, append=append)