下面代码的执行结果是 : ( ) ls= ["2020", "20.20", "Pyhon"] ls.append(2020) Is append([2020, "2020"] ) print(ls)
A.
['2020', '20.20', 'Python', 2020, 2020, '2020' ]
B.
[ '2020', '20.20', 'Python', 2020]
C.
[ '2020', '20.20', 'Python', 2020, [2020, '2020' ]]
D.
[ '2020', '20.20', 'Python', 2020, ['2020']]