mam aap ne row 1 column 2 row 2 column 1 karke confusion create kar diya pura wahi cheez 20 baar repear karke deekh rha huu fir bhi samajh nhi aa rha meko ye topic dusre se samajhna pada wo bhi question ke help leke aap bhi kar leti easy way mei but aap row column kar rhi thi