grades = (87, 100, 96, 77, 69, 83, 91, 77, 63, 85)
print(grades)
print(grades[2 - 1])
print(grades[0:5])
print(grades.count(77))
print(grades.index(100) + 1)
print(grades.__len__())
grades = (87, 100, 96, 77, 69, 83, 91, 77, 63, 85)
list_grades = list(grades)
print(list_grades)
list_grades = (87, 100, 96, 77, 69, 83, 91, 77, 63, 85)
tup_grades = tuple(list_grades)
print(tup_grades)
grades_other = (34, 67)
tuple2 = grades_other + grades
print(tuple2)