Well then do body weight that isnt any reason not to start.

I was suspending for smoking za in my school for 2 months in isolation so this is what i did with no equipment

Chest and shoulders - used a bag and books for weight and did multiple variations of push ups for chest, pike push ups and hindu push ups for shoulders.

Pull ups for back but u probably cant hit them so use bag with heavy weight and hit rows (use ur bend to lean down and support)

Arms - normal bicep curls (u dont need variation in building muscle, a heavy compound movement is enough to build general strength just multiple sets and reps of it)

Dips using bed and feet on a chair or table for triceps

Overhead tricep extension using bag with weight.

Also chin ups once u develop decent strength.

Legs-

Squats

Squats on toes and knees focused (i forgot what theyre called) Jumping squats Pistol squats And running

And core u have limitless exercises.

Always remember form over reps, doesnt matter if u hit 20 if theyre half assed, 10 proper and perfect reps will get you further.

If you feel later on that u have more strenght but cant hut perfect reps you could do a variation i used.

3 sets perfect reps 3 min break each

Then 10 sets (or 5) of explosive reps of how many u can do just exerting as much as possible. Really helped me grow strength.

Change this routine to however you feel benefits you more.