<gh_stars>1-10
student = {"name": "ruhul",
           "mark": [80,82,84,85,88],
           "exam": {
               "final": 70,
               "mid": 60
           }}
print(student['exam']['mid'])
student = {"name": "ruhul",
           "mark": [80,82,84,85,88],
           "exam": {
               "final": 70,
               "mid": 60
           }}
print(student['exam']['mid'])