#yolo sort

yolosort.py

#!/usr/bin/env python3.4

from itertools import tee
from random import randint, shuffle
import sys


def pairwise(iterable):
    "s -> (s0,s1), (s1,s2), (s2, s3), ..."
    a, b = tee(iterable)
    next(b, None)
    return zip(a, b)


def is_sorted(seq):
    for a, b in pairwise(seq):
        if a > b:
            return False
    return True


if __name__ == '__main__':
    s = [randint(0, 100) for _ in range(int(sys.argv[1]))]
    print('sequence is', s)
    shuffle(s)
    print('"sorted" is', s)
    msg = '#yolo'
    if is_sorted(s):
        msg = '#swag'
    print(msg)