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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_calls(self, job_name):
        '''
        Reads file by given name and returns CallEdge array
        '''

        config = self.file_index.get_by_name(job_name).yaml

        calls = self.get_calls_from_dict(config, from_name=job_name)

        return calls