Message appearing on Sublime text
Trying to find an editor for Python, I downloaded Sublime Text 3. Now, I try to run a simple Python script - it is print("Hello World") - in Sublime Text 3, but nothing appears. After seeking, I found that I have to modify the file python27.sublime-build, which we should normally find by clicking "Preferences" and "Browse Packages...", but the problem is I don't see a file with this name.
Here is my script :