Numpy download and installation

In the installation numpy Before , It must be installed first python, and numpy And python The version of is corresponding to .

numpy And python Version correspondence link

1. Download and install python 3.10

If your computer is already installed python3.4 Later versions , Then you can use it pip Tools

python Official website

Remember to select Add To PATH

Verify the installation is successful

2. to update pip

（ No updates pip To the latest version , It is likely to cause download and installation numpy after ,import I can't find the wrong report numpy）

python -m pip install --upgrade pip

3. Use pip3 Download and install numpy

pip3 install numpy==1.22.4 scipy matplotlib -i https://pypi.tuna.tsinghua.edu.cn/simple

Be careful ： Here we want to specify the download our python The version corresponds to the version numpy, The version we downloaded here is 1.22.4

Be careful ： If it gets stuck when downloading , Remember to press enter , In this way, the download speed will be restored immediately .

4. verification numpy Installation successful

Reopen the terminal
Input

python

import numpy

Just type in import numpy Not reported, not found modul numpy Error of , That means it's installed