====== Python 예약어 ======
|and  |assert  |break  |class  |continue  |def  |del  |elif  |
|else  |except  |exec  |finally  |for  |from  |global  |if  |
|import  |in  |is  |lambda  |not  |or  |pass  |print  |
|raise  |return  |try  |while  |yield  | | | |