看一下dis模块:
def myfunc(alist): return len(alist)>>> dis.dis(myfunc) 20 LOAD_GLOBAL 0 (len) 3 LOAD_FAST 0 (alist) 6 CALL_FUNCTION 1 9 RETURN_VALUE

看一下dis模块:
def myfunc(alist): return len(alist)>>> dis.dis(myfunc) 20 LOAD_GLOBAL 0 (len) 3 LOAD_FAST 0 (alist) 6 CALL_FUNCTION 1 9 RETURN_VALUE