下面代码的执行结果是 ls = [ "2020", "20.20", "Python" ] ls.append( 2020 ) ls.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' ] ]