[[1 2 3] [4 5 6] [7 8 9]] [[1 2 3] [4 5 6] [7 8 9]] Out[48]: array([[1, 2, 3, 4, 5, 6], [2, 3, 4, 5]], dtype=object) #创建数组:array()函数,括号内可以是列表、元祖、数组、生成 Read More
posted @ 2018-10-24 22:01 yang905 Views(380) Comments(0) Diggs(0)