Returning HTML templates in Django - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to return an HTML template using Django's render function.

Django

from django.shortcuts import [1]

def home(request):
    return [1](request, 'home.html')

Drag options to blanks, or click blank then click option'

Arender

Bredirect

CHttpResponse

Dget_object_or_404

Attempts:

3 left

💡 Hint

Common Mistakes

Using redirect instead of render

Returning HttpResponse without rendering template

The render function combines a template with a context dictionary and returns an HttpResponse object with that rendered text.

2fill in blank

medium

Complete the code to pass a context dictionary to the template.

Django

from django.shortcuts import render

def profile(request):
    context = {'name': 'Alice'}
    return render(request, 'profile.html', [1])

Drag options to blanks, or click blank then click option'

Aname

Bcontext

C'profile.html'

Drequest

Attempts:

3 left

💡 Hint

Common Mistakes

Passing the request object again

Passing the template name instead of context

The third argument to render is the context dictionary that provides data to the template.

3fill in blank

hard

Fix the error in the code to correctly return the template with context.

Django

from django.shortcuts import render

def dashboard(request):
    data = {'user': 'Bob'}
    return render(request, 'dashboard.html', [1]=data)

Drag options to blanks, or click blank then click option'

Adata

Brequest

Ctemplate_name

Dcontext

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong keyword argument name

Passing context as positional argument but with keyword syntax

In Django's render, the context dictionary can be passed as the third positional argument or as the keyword argument context. Here, using keyword syntax, the code should be render(request, 'dashboard.html', context=data).

4fill in blank

hard

Fill both blanks to create a view that renders 'about.html' with a title in context.

Django

from django.shortcuts import [1]

def about(request):
    context = {'title': [2]
    return render(request, 'about.html', context)

Drag options to blanks, or click blank then click option'

Arender

B'About Us'

C'Home'

Dredirect

Attempts:

3 left

💡 Hint

Common Mistakes

Using redirect instead of render

Forgetting quotes around string values

You import render to return templates. The context dictionary needs the title string 'About Us'.

5fill in blank

hard

Fill all three blanks to render 'contact.html' with name and email in context.

Django

from django.shortcuts import [1]

def contact(request):
    context = {'name': [2], 'email': [3]
    return render(request, 'contact.html', context)

Drag options to blanks, or click blank then click option'

Arender

B'John Doe'

C'[e-mail]'

Dredirect

Attempts:

3 left

💡 Hint

Common Mistakes

Using redirect instead of render

Missing quotes around string values

Use render to return the template. The context dictionary needs string values for name and email, both in quotes.

Practice

1. What is the primary function used in Django views to return an HTML template to the user?

easy

A. render()

B. redirect()

C. HttpResponse()

D. get_template()

Solution

1. Step 1: Understand Django view response methods

   Django views can return HTML using several methods, but the most common and convenient is render().

2. Step 2: Identify the method that combines template rendering and response

   render() takes the request, template name, and context data, then returns an HttpResponse with the rendered HTML.

3. Final Answer:

   render() -> Option A

4. Quick Check:

   Use render() to return HTML templates [OK]

Hint: Remember: render() combines template and response [OK]

Common Mistakes:

• Confusing render() with redirect()
• Using HttpResponse() without rendering template
• Trying to use get_template() directly in views

2. Which of the following is the correct syntax to return a template named home.html with an empty context in a Django view?

easy

A. return render(request, 'home.html', {})

B. return render('home.html', request, {})

C. return render(request, 'home.html')

D. return render({}, request, 'home.html')

Solution

1. Step 1: Recall the render() function signature

   The correct order is render(request, template_name, context).

2. Step 2: Match the syntax with the correct order and parameters

   return render(request, 'home.html', {}) matches the correct order and includes an empty dictionary for context.

3. Final Answer:

   return render(request, 'home.html', {}) -> Option A

4. Quick Check:

   render(request, template, context) syntax [OK]

Hint: render() needs request, template, then context [OK]

Common Mistakes:

• Swapping the order of arguments
• Omitting the context dictionary
• Passing context before request

3. Given the following Django view code, what will be displayed in the rendered template if the template uses {{ greeting }}?

def hello_view(request):
    context = {'greeting': 'Hello, Django!'}
    return render(request, 'hello.html', context)

medium

A. {{ greeting }}

B. Hello, Django!

C. greeting

D. Error: greeting not defined

Solution

1. Step 1: Understand context dictionary usage

   The context dictionary passes variables to the template. Here, 'greeting' is set to 'Hello, Django!'.

2. Step 2: Template variable rendering

   The template uses {{ greeting }}, which will be replaced by the value from context, 'Hello, Django!'.

3. Final Answer:

   Hello, Django! -> Option B

4. Quick Check:

   Context variables render their values in templates [OK]

Hint: Context keys become template variables [OK]

Common Mistakes:

• Expecting template to show variable name literally
• Forgetting to pass context dictionary
• Using wrong variable names in template

4. Identify the error in this Django view code snippet:

def index(request):
    return render('index.html', request, {'title': 'Home'})

medium

A. Template name should be a variable, not string

B. Missing import for render()

C. Context dictionary is not allowed

D. Arguments to render() are in wrong order

Solution

1. Step 1: Check render() argument order

   The correct order is render(request, template_name, context). Here, the template name and request are swapped.

2. Step 2: Identify the impact of wrong argument order

   Swapping arguments causes a TypeError or unexpected behavior because render expects request first.

3. Final Answer:

   Arguments to render() are in wrong order -> Option D

4. Quick Check:

   render() needs request first, then template [OK]

Hint: render() always starts with request argument [OK]

Common Mistakes:

• Swapping request and template arguments
• Forgetting to import render
• Passing context as a list instead of dict

5. You want to display a list of products dynamically in your Django template. Which is the best way to pass this list from your view to the template?

hard

A. Use redirect('products.html') with products_list as argument

B. Return HttpResponse(products_list) directly without template

C. Use render(request, 'products.html', {'products': products_list}) and loop in template

D. Embed the list in the URL and parse it in the template

Solution

1. Step 1: Understand passing data to templates

   To show dynamic data like a list, pass it in the context dictionary to the template using render().

2. Step 2: Use template loops to display list items

   The template can loop over products to display each product. Other options do not properly render HTML with data.

3. Final Answer:

   Use render(request, 'products.html', {'products': products_list}) and loop in template -> Option C

4. Quick Check:

   Pass data in context dict for dynamic templates [OK]

Hint: Pass data via context dict and loop in template [OK]

Common Mistakes:

• Trying to send data via redirect
• Returning raw data without template
• Embedding data in URL instead of context