Type and execute the following code so that to check the data type for the variable customers. Then, also check the object type for the variable year column and third row. What is the object type for each variable?

$1$ type$($customers$)$ Hshow the object type for customers

$\backslash$table$[[$Variable Name,Object Type$],[$customers$,],[$third$\_$row,$],[$year$\_$column,$]]$