text: main soch rahi thi ki tumhare saath ek language exchange challenge shuru karna chahiye,jisme hum ek dusre ko ek word ya phrase sikhate hain har week.yeh toh bahut mazedaar hoga! isse hum dono seekhne ke saath-saath thoda fun bhi kar sakte hain, aur kya tumhe koi specific topic pasand hai?