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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 convert_row(self, row, schema, fallbacks):
 """Convert row to BigQuery """

        for index, field in enumerate(schema.fields):
            value = row[index]
            if index in fallbacks:
                value = _uncast_value(value, field=field)
            else:
                value = field.cast_value(value)
            row[index] = value
        return row