在命令行窗口分别运行以下代码，输出结果是？（ ）
>>>import numpy as np >>>np.full(6,'6')
array(['6', '6', '6', '6', '6', '6']
array([6, 6, 6, 6, 6, 6]
6, 6, 6, 6, 6, 6
'6', '6', '6', '6', '6', '6'