django queryset group by count
from django.db.models import Count
result = Books.objects.values('author')
.order_by('author')
.annotate(count=Count('author'))django queryset group by count
from django.db.models import Count
result = Books.objects.values('author')
.order_by('author')
.annotate(count=Count('author'))count entries groupby
df.groupby(['col1']).size()Copyright © 2021 Codeinu
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