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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 get_datetime_now():
 """ Returns datetime object with current point in time. In Django 1.4+ it uses Django's django.utils.timezone.now() which returns an aware or naive datetime that represents the current point in time when ``USE_TZ`` in project's settings is True or False respectively. In older versions of Django it uses datetime.datetime.now(). """

    try:
        from django.utils import timezone
        return timezone.now()
    except ImportError:
        return datetime.datetime.now()