cpebble

function iota (n) { // Pretty genius implementation
    return [...Array(n).keys()]
}
function fizzbuzz (n) {
    return iota(30).map( x => 
        (x % 15 === 0 ? "fizzbuzz" : x % 3 == 0 ? "fizz" : x % 5 == 0 ? "buzz" : x.toString())
    )
}

cpebble

import praw, subprocess
SUBREDDIT = "wallpapers"
r = praw.Reddit(client_id="",
                client_secret="",
                user_agent="WallpaperGrabber by /u/ParanoidBox")
allowedFormats = ['jpg', 'png']
urls = [post.url for post in r.subreddit(SUBREDDIT).hot() if post.url.split(".")[-1] in allowedFormats]
subprocess.call(['feh', "--bg-fill", urls[0])