The error message is clear - it cannot find get-pip.py. This has nothing to do with proxy settings.
What OS and python version do you use? If on Windows I would suggest that you check our tutorial Python 3.6 and 3.7 and pip installation under Windows
What OS and python version do you use? If on Windows I would suggest that you check our tutorial Python 3.6 and 3.7 and pip installation under Windows
If you can't explain it to a six year old, you don't understand it yourself, Albert Einstein
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs