#!/usr/bin/env python3
#
#
#       where-are-my-friends.py
#
#
#
#       © 2021 colin crain
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import os
import sys

if len(sys.argv) > 1:
    path = sys.argv[1]
else:
    path = '../../a/b/c///f/../d';

canonical = os.path.realpath(path)
  
print(canonical )