in Linux, use command:
wget https://bootstrap.pypa.io/3.5/get-pip.py
python3 get-pip.py
In Windows, first download the file by yourself and then execute the second record of bacteria.
But in the process of trying to solve the problem, the get-pip.py file was not found. So visit
Observe that the relevant version of the get-pip.py
file is found in pip
In summary, the command to get get-pip.py should be
wget https://bootstrap.pypa.io/pip/3.5/get-pip.py
After the download is complete, execute the following command
python3 get-pip.py