Django-mysite만들기3 방명록 추가,삭제 기능

INSTALLED_APPS = [
    ...
    'guestbook',
    ...
]

from django.db import models

# Create your models here.
class Guestbook(models.Model):
    name = models.CharField(max_length=20)
    password = models.CharField(max_length=32)
    contents = models.TextField()
    reg_date = models.DateTimeField(auto_now=True)

    def __str__(self):
        return f'Guestbook({self.name}, {self.password}. {self.contents}, {self.reg_date}'

from django.contrib import admin

# Register your models here.
from geustbook.models import Guestbook

admin.site.register(Guestbook)

from django.contrib import admin
from django.urls import path
import guestbook.views as guestbook_views

urlpatterns = [
    ...
    path('guestbook/list', guestbook_views.list),
    path('guestbook/write', guestbook_views.write),
    path('guestbook/deleteform/<int:id>', guestbook_views.deleteform),
    path('guestbook/delete', guestbook_views.delete),
	...
]

from django.http import HttpResponseRedirect
from django.shortcuts import render

# Create your views here.
from guestbook.models import Guestbook


def list(request):
    guestbooklist = Guestbook.objects.all().order_by('-reg_date')
    data = {'guestbooklist': guestbooklist}
    return render(request, 'guestbook/list.html', data)

def write(request):
    guestbook = Guestbook()
    guestbook.name = request.POST['name']
    guestbook.password = request.POST['password']
    guestbook.contents = request.POST['contents']
    guestbook.save()

    return HttpResponseRedirect('list')

def deleteform(request, id=0):
    return render(request, 'guestbook/deleteform.html', {'id':id})

def delete(request):
    id = request.POST['no']
    password = request.POST['password']

    guestbook = Guestbook.objects.filter(id=id)
    if guestbook[0].password == password:
        guestbook.delete()

    return HttpResponseRedirect('list')