def slow_week(): seconds_per_day = 86400 return 7 * seconds_per_day import ast, inspect, pprint # can debug with row 3~5 pprint.pprint(ast.dump(ast.parse(inspect.getsource(slow_week)))) import dis dis.dis(slow_week) pprint.pprint(slow_week.__code__) pprint.pprint(slow_week.__code__.co_consts) pprint.pprint(slow_week.__code__.co_varnames) pprint.pprint(slow_week.__code__.co_code)