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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 rate_limit(client, headers, atexit=False):
 """Pause the process based on suggested rate interval."""

    if not client or not headers:
        return False

    if not getattr(client.config, "rate_limit", False):
        return False

    rate_info = RateLimitsInfo.from_headers(headers)
    if not rate_info or not rate_info.interval:
        return False

    if rate_info.interval:
        cb = getattr(client.config, "rate_limit_callback", None)
        if cb and callable(cb):
            cb(rate_info, atexit=atexit)
        time.sleep(rate_info.interval)
    return True