Input

[1] => Array
    (
        [course_id] => 32
        [merge_course] => Bangla
        [s] => 37
        [o] => 16
    )

[1] => Array
    (
        [course_id] => 32
        [merge_course] => Bangla
        [s] => 72
        [o] => 25
    )