????:???“????????”????

????:???????py:?????

?????????????2???????????????????10??(??)???????????????????,??????????????????????,???????????????????“???”??????????????????,??,??,??????????,????????

???????????,???????????????????“????????”???,?????,???????????,????“????????????”????????????????,????,?????,????????????????????

??“?????????”???????????????,???????????????????????????,??????????????,???,??????????;????,????,????????,?????,?“????????”??????

??,???“???”??????,??“?????”???????????????????????????????????????????????????,???????????????????????????????????,??,?????,??????????,?????????????(??????????????????) ???????:???????????????????