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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 abspath(rel):
 """ Take paths relative to the current file and convert them to absolute paths. Parameters rel : str Relative path, IE '../stuff' Returns abspath : str Absolute path, IE '/home/user/stuff' """

    return os.path.abspath(os.path.join(cwd, rel))