old_contents: from django import forms
  from rango.models import Category, Page
  
  class CategoryForm(forms.ModelForm):
    name = forms.CharField(max_length=128, help_text="Please enter a category name")
    views = forms.IntegerField(widget=forms.HiddenInput(), initial = 0)
    likes = forms.IntegerField(widget=forms.HiddenInput(), initial = 0)
    slug = forms.CharField(widget=forms.HiddenInput(), required=False)
  
    class Meta:
      model = Category
      # tuple specifying the classes we want to use
      fields = ('name', )
  
  class PageForm(forms.ModelForm):
    title = forms.CharField(max_length=128, help_text="Please enter the title of the page.")
    url = forms.URLField(max_length=200, help_text="Please enter the URL of the page.")
    views = forms.IntegerField(widget=forms.HiddenInput(), initial=0)
  
    class Meta:
      model = Page
      # excluding the category foreign key field from the form
      exclude = ('category', 'slug')
  
new_contents: from django import forms
  from django.contrib.auth.models import User
  from rango.models import Category, Page, UserProfile
  
  class CategoryForm(forms.ModelForm):
    name = forms.CharField(max_length=128, help_text="Please enter a category name")
    views = forms.IntegerField(widget=forms.HiddenInput(), initial = 0)
    likes = forms.IntegerField(widget=forms.HiddenInput(), initial = 0)
    slug = forms.CharField(widget=forms.HiddenInput(), required=False)
  
    class Meta:
      model = Category
      # tuple specifying the classes we want to use
      fields = ('name', )
  
  class PageForm(forms.ModelForm):
    title = forms.CharField(max_length=128, help_text="Please enter the title of the page.")
    url = forms.URLField(max_length=200, help_text="Please enter the URL of the page.")
    views = forms.IntegerField(widget=forms.HiddenInput(), initial=0)
  
    class Meta:
      model = Page
      # excluding the category foreign key field from the form
      exclude = ('category', 'slug')
  
  class UserForm(forms.ModelForm):
    password = forms.CharField(widget=forms.PasswordInput(), help_text="Enter your password")
  
    class Meta:
      model = User
      fields = ('username', 'email', 'password')
  
  class UserProfileForm(forms.ModelForm):
    class Meta:
      model = UserProfile
      fields = ('website', 'picture') 
  
subject: Add form classes for User and UserProfile