slider plane size

hi
i have juste a little question ,i’m beginner in python and i don’t know how to change size of a plane with python using slider x and y
i try to learn with other script i have find on internet but i didn’t find script for this
can you help me just a little :expressionless:
thanks

Just see there :
http://jmsoler.free.fr/didacticiel/blender/tutor/cpl_yligxcolmesh.htm

and here too:
http://jmsoler.free.fr/didacticiel/blender/tutor/python_script03.htm
http://jmsoler.free.fr/didacticiel/blender/tutor/python_script04.htm