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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 _wait_output(popen, is_slow):
 """Returns `True` if we can get output of the command in the `settings.wait_command` time. Command will be killed if it wasn't finished in the time. :type popen: Popen :rtype: bool """

    proc = Process(popen.pid)
    try:
        proc.wait(settings.wait_slow_command if is_slow
                  else settings.wait_command)
        return True
    except TimeoutExpired:
        for child in proc.children(recursive=True):
            _kill_process(child)
        _kill_process(proc)
        return False