function printStudents(pageNumber, nPerPage) {
print( "Page: " + pageNumber );
db.students.find()
.sort( { _id: 1 } )
.skip( pageNumber > 0 ? ( ( pageNumber - 1 ) * nPerPage ) : 0 )
.limit( nPerPage )
.forEach( student => {
print( student.name );
} );
}