摘要: # if all(ar):#TypeError: iteration over a 0-d arrayif ar.all(): # TypeError: cannot perform reduce with flexible type print("ar为空") # if not all(ar2): 阅读全文
posted @ 2019-03-28 12:00 心媛意码 阅读(2077) 评论(0) 推荐(0) 编辑