Ok then people i'm going start swimming more seriously as from monday what sort of drills should i be doing.
"More Seriously". Does that mean that the clown's shoes and giant water wings are finally coming off?
What drills you need to do depend on:
Where you are with your swimming now.
Where you want to get to - distances, times etc.
What stroke you want to do.
You may want to do drills to improve technique - e.g. you could spend a lot of time on little drills to perfect balance, or rotation etc.
You may have difficulty with distance / breathing, so have drills to practices these.
It really all depends! But for most beginners, technique is the thing to work on.
Join a club that does swim coaching sessions - ideally a nice tri club - that will give you loads of ideas, and the necessary experience to start working out what you need to do.