A "mirror-image" ls in python, as discussed at https://news.ycombinator.com/item?id=16716150

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#!/usr/bin/env python

import subprocess
import sys


output = subprocess.check_output(["ls"] + sys.argv[1:])

lines = output.split("\n")

size = max(len(_) for _ in lines)

spaces = " " * size
for l in lines:
    line = (l + spaces)[:size]
    line = ''.join(list(reversed(line)))
    print(line)