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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 get_tags(self, field):
 """Get the set of tags for a given field. .. note:: The named field must be accessible given the current set of values defined. Parameters field : str The field whose tag should be read. Returns ------- Raises ------ UnavailableFieldError If the field does not exist or is not available. """

        return self.fields.get_field(field, self.field_values).tags.copy()