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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 _schema_from_json_file_object(self, file_obj):
 """Helper function for schema_from_json that takes a file object that describes a table schema. Returns: List of schema field objects. """

        json_data = json.load(file_obj)
        return [SchemaField.from_api_repr(field) for field in json_data]