#python - How do I install a script to run anywhere from the command line? - Stack Overflow
▻http://stackoverflow.com/questions/6967331/how-do-i-install-a-script-to-run-anywhere-from-the-command-line/6967354#6967354
The best place to put things like this is /usr/local/bin.
This is the normal place to put custom installed binaries, and should be early in your PATH.
Simply copy the script there (probably using sudo), and it should work for any user.