【简答题】我们有如下代码:import numpy as np; x = np.array([[77, 93, 23],[54, 58, 12],[69, 25, 23],[65, 55, 56]]);rows = np.array([[0,0],[3,3]]); cols = np.array([[0,2],[0,2]]); y = x[rows,cols];print (y) 运行后y的内容是什么?...
【单选题】若 有条件表达式 (exp) ? x++ : y− − ,则以下表达式中能完全等价于( exp )的是( )。
【简答题】我们有如下代码:import numpy as np; x = np.array([[54, 21, 43],[7, 21, 17],[53, 47, 32],[37, 8, 99]]);rows = np.array([[0,0],[3,3]]); cols = np.array([[0,2],[0,2]]); y = x[rows,cols];print (y) 运行后y的内容是什么?仅输...
【单选题】About _________ of the teachers in tour school were born in ________.
【单选题】of the teachers in our school women.
【单选题】______ of the room ______ empty.
【单选题】______ of the coats ________ made of cotton. They feel comfortable.
【简答题】我们有如下代码:import numpy as np; x = np.array([[4, 99, 23],[41, 47, 43],[56, 32, 49],[4, 36, 79]]);rows = np.array([[0,0],[3,3]]); cols = np.array([[0,2],[0,2]]); y = x[rows,cols];print (y) 运行后y的内容是什么?仅输...
【简答题】我们有如下代码:import numpy as np; x = np.array([[79, 32, 73],[30, 96, 58],[22, 13, 37],[3, 31, 20]]);rows = np.array([[0,0],[3,3]]); cols = np.array([[0,2],[0,2]]); y = x[rows,cols];print (y) 运行后y的内容是什么?仅...