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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 main(self):
 """ Return the default method in this module. :return: the default method in this module :rtype: ``boa.code.method.Method`` """


        for m in self.methods:

            if m.name in ['Main', 'main']:
                return m

        if len(self.methods):
            return self.methods[0]

        return None