Exesize

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from django.core.management import BaseCommand
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from mainapp.models import News
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class Command(BaseCommand):
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    def handle(self, *args, **options):
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        news_list = []
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        for i in range(1, 11):
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            news_list.append(News(
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                title=f"title#{i}",
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                preambule=f"preambule#{i}",
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                body="Текст новости"
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            ))
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        News.objects.bulk_create(news_list)
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