About jupyter run

Kya jupyter IDE without net kam karti he??..
Or jupyter IDE me kiya gya coad keserun karvaye…
Or caod krne k liye ek baar window ko shutdown krne k bad vapis jb on karte he to coad krne k liye fir se jupyter kholege???
Mene khola to without net connection kam nhi kar rha… Kya ye IDE online hi work karegi…?

Kis liye Jupiter notebook use kr rhe ho?
Python!!!