How to add a python script as an executable shortcut to launcher

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http://askubuntu.com – I have managed to add .sh files as launcher shortcuts.But now i want to add a python script in the launcher as shortcut. I want it to be executed like what it would get executed in the terminal when the command python pythonscript.py and then it can also be added in the launcher.. How can i do it? (HowTos)