✨ Wizarding CodePython for muggles & wizards
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🐢 Module 12

Turtle, Final Wrap-up and Beyond

You made it. Turtle turns loops and functions into drawings — and the skills you built go way beyond this course.

A happy turtle follows a dotted spiral with a paintbrush to draw a geometric star as a coder applauds.
Final boss defeated: the blinking cursor. Rowan and the dragon are ready for your next tiny invention.

🪄 The concept

Turtle is a beginner-friendly drawing library: move forward, turn, change color, and loop to build shapes. It makes abstract ideas (loops, angles) visible.

This module also recaps lists + loops + functions — the core toolkit you will reuse in files, games, web apps, and data work.

Keep going: try ASCII toys in this folder, explore more APIs, or invent a tiny game that uses everything from Modules 1–11.

💬 Discussion

Talk these through with a friend, a class, or just your notes app:

  1. Which module felt hardest — and which one clicked unexpectedly?
  2. If you built one more project this month, what would it be?
  3. How would you explain “a loop” to a friend using Turtle shapes?

💻 Code walkthrough

Copy into your editor, or download the .py file and run it. Tinker — change names, numbers, and spells.

Turtle graphics — draw a simple shape bob_the_turtle.py

import turtle

# Create a window and a “turtle” pen
screen = turtle.Screen()
screen.title("Hogwarts badge sketch")
pen = turtle.Turtle()
pen.speed(3)

# Draw a triangle (one side of a house crest)
for side in range(3):
    pen.forward(100)
    pen.left(120)

pen.hideturtle()
screen.mainloop()   # keeps the window open until you close it

Lists + loops + functions — a mini recap course_recap.py

# Combine ideas from the whole course
houses = ["Gryffindor", "Hufflepuff", "Ravenclaw", "Slytherin"]

def cheer(house_name):
    return "Ten points to " + house_name + "!"

for h in houses:
    print(cheer(h))

# You are ready for files, classes, web apps, data science, and more!

Colors and a square (house colors) turtle_colors_square.py

import turtle

pen = turtle.Turtle()
pen.speed(5)
pen.color("darkred")   # Gryffindor-ish

for _ in range(4):
    pen.forward(80)
    pen.left(90)

pen.color("gold")
pen.penup()
pen.goto(10, 10)
pen.pendown()
pen.dot(15)   # small circle dot

turtle.done()

Simple star with a loop turtle_star.py

import turtle

star = turtle.Turtle()
star.color("navy")
star.begin_fill()

for _ in range(5):
    star.forward(100)
    star.right(144)

star.end_fill()
turtle.done()

🧪 Try this

  1. Change the triangle to a square or pentagon (hint: angle = 360 / sides).
  2. Draw two shapes in different house colors on the same canvas.
  3. Write a tiny “graduation” program that prints a cheer for each skill you learned (variables, lists, loops…).

📁 Local files

All runnable Python for this module:

module-12-turtle-final/ · all modules

🎬 Video lesson

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