About the App. App name: boost-python. App description: C library for C/Python interoperability. App website: Install the App.
Press Command+Space and type Terminal and press enter/return key. Run in Terminal app: ruby -e '$(curl -fsSL /dev/null and press enter/return key. If the screen prompts you to enter a password, please enter your Mac's user password to continue. When you type the password, it won't be displayed on screen, but the system would accept it.
So just type your password and press ENTER/RETURN key. Then wait for the command to finish. Run: brew install boost-python Done! You can now use boost-python.