NumPy的数组与数据类型

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])
print(arr2)
print(arr2.dtype)

print(arr1 + arr2)

运行