what is | Q in django queryset code example

Example 1: django filter values with OR operator

Blog.objects.filter(pk__in=[1, 4, 7])

Example 2: how to work with django ornm __in

# Get blogs entries with id 1, 4 and 7
>>> Blog.objects.filter(pk__in=[1,4,7])

# Get all blog entries with id > 14
>>> Blog.objects.filter(pk__gt=14)