# coding=utf-8
import os
import django
import sys
import datetime


start = datetime.datetime.now()
sys.path.append("/var/www/projects/codemy/")
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "lms.settings")
django.setup()

from journals.models import HomeworkJ

f = open('4.txt')

users = set()
for email in f.readlines():
    users.add(email.strip())

result = set()

for user in users:
    if HomeworkJ.objects.filter(material__id=83, student__email=user).exclude(f_date=None).exists():
        result.add(user)

print(result)