A fun little python class which allows you to write big numbers with commas for readability. Just for fun, not to be used for anything serious.

NiceNumber.py

class NiceNumber(long):
    def __new__(cls, *args):
        x = 0
        if long(args[0]) >= 0:
            sign = 1
        else:
            sign = -1
        for i in range(0, len(args)):
            reverse_i = (len(args) - 1) - i
            x += (1000 ** i) * abs(long(args[reverse_i]))
        return long.__new__(cls, x * sign)


if __name__ == "__main__":
    x = NiceNumber(300,200,100,001)
    assert x == 300200100001
    x = NiceNumber(200,100,001)
    assert x == 200100001
    x = NiceNumber(100,001)
    assert x == 100001
    x = NiceNumber(5,001)
    assert x == 5001
    x = NiceNumber(5)
    assert x == 5
    x = NiceNumber(-1)
    assert x == -1
    x = NiceNumber(-1, 000)
    assert x == -1000
    x = NiceNumber(-1, 001)
    assert x == -1001