没有名为“numpy”的模块？

Question

import numpy as np

Traceback (most recent call last):
   File "C:\Users\xil15102\Documents\example.py", line 1, in <module>
      import numpy as np
ModuleNotFoundError: No module named 'numpy'

我已经用命令提示符安装了numpy！在

^{pr2}$

我还为python27添加了脚本文件夹的路径。在