Check if a file or directory exists in Python

import os

path = "path/to/resource"

# True if path points to a file OR directory.
if os.path.exists(path):
    print "%s exists!" % (path)
else:
    print "%s not found" % (path)


# True if path points to a directory.
if os.path.isdir(path):
    print "%s exists!" % (path)
else:
    print "%s not found" % (path)


# True if path points to a file.
if os.path.isfile(path):
    print "%s exists!" % (path)
else:
    print "%s not found" % (path)