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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 logging_levels():
 """ Context manager to conditionally set logging levels. Supports setting per-request debug logging using the `X-Request-Debug` header. """

    enabled = strtobool(request.headers.get("x-request-debug", "false"))
    level = None
    try:
        if enabled:
            level = getLogger().getEffectiveLevel()
            getLogger().setLevel(DEBUG)
        yield
    finally:
        if enabled:
            getLogger().setLevel(level)