sort or sorted in python code example

Example 1: python sort

>>> student_tuples = [
...     ('john', 'A', 15),
...     ('jane', 'B', 12),
...     ('dave', 'B', 10),
... ]
>>> sorted(student_tuples, key=lambda student: student[2])   # sort by age
[('dave', 'B', 10), ('jane', 'B', 12), ('john', 'A', 15)]

Example 2: python sort algorithm

a = [1, 2, 0, 8, 4, 5, 3, 7, 6]
print(a.sort())