state difference between in and at
'In' and 'at' are both prepositions showing the position of one noun in relation to another noun. 'In' is used when the position of the first noun is shown to be inside the second noun. For e.g I put the books in the bag.
'At' is used to show the exact position of the first noun in relation to the second. For e.g The train arrived at the station.
'At' is used to show the exact position of the first noun in relation to the second. For e.g The train arrived at the station.