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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def samefile(path1, path2):
 """Test if paths refer to the same file or directory."""

    if system_os == "Linux" or system_os == "Cygwin":
        return os.path.samefile(path1, path2)
    return (get_canonical_absolute_expanded_path(path1) ==
            get_canonical_absolute_expanded_path(path2))