Alternative constructors and static methods in python...

static_methods_and_alternative_constructors.py

class MyList(list):
    # alternative constructor
    @classmethod
    def multiple_of(cls, n, c):
        return cls(c * n)

    # some random method bundled in the class
    @staticmethod
    def print_with_numbers(a):
        for n, e in enumerate(a):
            print n, e

l = MyList.multiple_of(4, 'x')
MyList.print_with_numbers(l)