views.py

ps = [[a['id'],a['create_date'],a['name'],a['deadline']] for a in Project.objects.all().values()]
    lm = [[Account.objects.values_list('username',flat=True).filter(id=int(b['user_id'])) for b in ProjectMember.objects.select_related().filter(project_id__id=int(a[0])).filter(member_type=1).values()] for a in ps]
    nm = [[Account.objects.values_list('username',flat=True).filter(id=int(b['user_id'])) for b in ProjectMember.objects.select_related().filter(project_id__id=int(a[0])).filter(member_type=2).values()] for a in ps]

    l = []
    k = ['project_id', 'create_date', 'name','deadline', 'leaders','members']
    for i in range(0,len(ps)) :
        a = ps[i]
        a.append(lm[i])
        a.append(nm[i])
        l.append(dict(zip(k,a)))
        
        
#partial code