python运行实例（python_numpy_array_astype

代码示例：（标识：python_numpy_array_astype_1）

python_numpy_array_astype_1.py

import numpy as np

arr = np.array([1.1, 2.1, 3.1])

newarr = arr.astype('i')

print(newarr)
print(newarr.dtype)

运行结果：