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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 kill(pid_file):
 """ Attempts to shut down a previously started daemon. """

    try:
        with open(pid_file) as f:
            os.kill(int(f.read()), 9)
        os.remove(pid_file)
    except (IOError, OSError):
        return False
    return True