NumPy

代码import numpy as np arr1 = np.arange(10) print(arr1) print( arr1[5] ) print( arr1[5:8] ) arr1[5:8] = 10 print(arr1)...

代码import numpy as np arr1 = np.array([2, 3, 4]) print(arr1) print(arr1.dtype) arr2 = np.array([2.3, 3.4, 4.5]) prin...