demo_ref_list_sort3.py:
# A function that returns the length of the value: def myFunc(e): return len(e) cars = ['Ford', 'Mitsubishi', 'BMW', 'VW'] cars.sort(key=myFunc) print(cars)
➜ begtut>python demo_list_sort3.py
['VW', 'BMW', 'Ford', 'Mitsubishi']