LIST SORTING in Python

# List Sorting
a = [(0, 2), (4, 3), (9, 9), (10, -1)]
print(sorted(a, key = lambda x: x[1])) # [(10, -1), (0, 2), (4, 3), (9, 9)]

# sorted_list = (sorted(albums, key = lambda x: x["Artist"], reverse = True))
# student_info.sort(key=lambda x: x['last name'])