import dis def fib(n): if n<=2: return 1 print(id(fib)) return fib(n-1) + fib(n-2) #dis.dis(fib) #fib(3) print(fib(5)) def fib1(n): if n<=2: return n current, second = 0,1 while n: current, second =second, current+second n-=1 return current #dis.dis(fib1) print(fib1.__code__) print(fib1.__code__.co_consts) print(fib1.__code__.co_varnames) print(fib1.__code__.co_code) print(dir(fib1))