accesing blender menu

How can i make a script that executes a command from the menu with a keystroke?

btw, do you know of some good blender scripting tutorials ( i already know python )…

See http://www.blender.org/documentation/245PythonDoc/Window-module.html#GetKeyQualifiers and http://www.blender.org/documentation/245PythonDoc/Window-module.html#SetKeyQualifiers . I haven’t actually tried it but those might help you to get started.