How do I set up environment and install django?

# Prerequisites - Install Python 3.12 or later (supported by Django 6.0). # Steps 1. Create a virtual environment: ```bash python -m venv mysiteenv ``` Activate it: - Unix/macOS: `source mysiteenv/bin/activate` - Windows: `mysiteenv\Scripts\activate` 2. Install Django: ```bash python -m pip install Django ``` 3. Verify installation: ```bash django-admin --version ``` Should show Django 6.0.x.

How do I create and run your first project?

# Steps 1. Create project: ```bash django-admin startproject mysite . ``` 2. Run development server: ```bash cd mysite python manage.py runserver ``` Visit http://127.0.0.1:8000/ to see rocket page. # Explore Structure - `manage.py`: CLI utility. - `mysite/settings.py`: Config (apps, DB). - `mysite/urls.py`: Root URLs.

How do I build app with models and admin?

# Steps 1. Create app: ```bash python manage.py startapp polls ``` 2. Add to `settings.py` INSTALLED_APPS: ```python 'polls.apps.PollsConfig', ``` 3. Define models in `polls/models.py`: ```python from django.db import models class Question(models.Model): question_text = models.CharField(max_length=200) pub_date = models.DateTimeField('date published') ``` 4. Migrations: ```bash python manage.py makemigrations polls python manage.py migrate ``` 5. Superuser: ```bash python manage.py createsuperuser ``` 6. Register in `polls/admin.py`: ```python from django.contrib import admin from .models import Question admin.site.register(Question) ``` Visit /admin/.

How do I implement views and url routing?

# Steps 1. Create `polls/urls.py`: ```python from django.urls import path from . import views app_name = 'polls' urlpatterns = [ path('', views.index, name='index'), path(' /', views.detail, name='detail'), ] ``` 2. Include in `mysite/urls.py`: ```python path('polls/', include('polls.urls')), ``` 3. Views in `polls/views.py`: ```python from django.shortcuts import render from django.http import HttpResponse from .models import Question def index(request): return HttpResponse('Hello') ``` Test /polls/.

How do I add templates and forms?

# Steps 1. Create `polls/templates/polls/` dir. 2. `detail.html`: ```html {{ question.question_text }} {% for choice in question.choice_set.all %} {{ choice.choice_text }} {% endfor %} ``` 3. Update `views.py`: ```python from django.shortcuts import get_object_or_404, render def detail(request, question_id): question = get_object_or_404(Question, pk=question_id) return render(request, 'polls/detail.html', {'question': question}) ``` 4. Add form in detail.html with `{% url 'polls:vote' question.id %}` and `{% csrf_token %}`. Visit /polls/1/.

Learn Django: Build Web Apps in 5 Steps

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Step-by-Step Guide

1

Prerequisites

Install Python 3.12 or later (supported by Django 6.0).

Steps

Create a virtual environment:
```
python -m venv mysiteenv
```
Activate it:
- Unix/macOS: source mysiteenv/bin/activate
- Windows: mysiteenv\Scripts\activate
Install Django:
```
python -m pip install Django
```
Verify installation:
```
django-admin --version
```
Should show Django 6.0.x.

Why this step matters:

-Establishes isolated environment for reliable development
-Enables building scalable web applications from scratch

30-60 minutes

Python 3.12+, pip, venv, VS Code

$0

Definition of Done

•Virtual environment activated without errors
•django-admin --version displays 6.0.x
•pip list shows Django installed

Common Mistakes to Avoid

❌ Skipping virtual environment

→Always create and activate venv to avoid dependency conflicts

❌ Using system Python without pip update

→Run python -m pip install --upgrade pip first

2

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🌐 Helpful Websites

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Learn Django: Build Web Apps in 5 Steps