TASK_10

exam_marks = {'Sci fi': 12, 'Mystery': 15, 'Horror': 8, 'Mythology': 10, 'Young_adult': 4, 'adventure': 14}

max_key = 0
max_val = 0

for key, value in exam_marks.items():
    if max_val < value:
        max_key = key
        max_val = value

print("The highest selling book genre is '" + max_key + "' and the number of books sold are " + str(max_val))