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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_field_analysis(self, field):
 """ Get the FieldAnalysis for a given fieldname :param field: TODO :return: :class:`FieldClassAnalysis` """

        class_analysis = self.get_class_analysis(field.get_class_name())
        if class_analysis:
            return class_analysis.get_field_analysis(field)
        return None