Sublime text 3 error when working with python?

Question

linux

when trying to execute python command in /usr/bin/python console: can't find '__main__' module in ''
[Finished in 0.1s with exit code 1]
[shell_cmd: python -u ""]
[dir: /opt /sublime_text]
[path: /home/user/bin:/home/user/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin: /bin:/usr/games:/usr/local/games]

Answer 1

Dear, this indicates that you did not save the file beforehand.

Answer 2

What version of Python?
Try adding this at the beginning of your code:
#!/usr/bin/python

Answer 3

So you called this function?
login();