1. Introduction to Python Turtle Graphics.

Structure

1. Chapter name.
2. Numbers of tasks.
3. Must watch video.
4. Reminder.
5. Tasks instructions.
6. Do tasks.
7. Complete.

SO WHAT IS A TURTLE ?

• Pre-install Python library.
• Enable users to create pictures and shapes.
• It is an onscreen pen that is used for drawing.
• Usually shaped like a turtle. Hence its name come from that.
• Mainly used to introduce newbies to the world of computer.
• Use commands to control the turtle.

WHY LEARN TURTLE ?

• Effective way to teach codding for beginners.
• Entertaining.
• Help programmers get a feel for programming with Python.
• Easy to explore on your own.
• Allow creativity.

There is a simple turtle program below, you can run this to have a general idea about turtle.

from browser import document
import turtle
turtle.set_defaults(
    turtle_canvas_wrapper = document['turtle-div'])

# DO NOT DELETE ABOVE THIS LINE
######## Write your code below

name = turtle.Turtle()
name.shape("turtle")
name.color("red")
name.speed(10)
for i in range(25):
    name.circle(5*i)
    name.circle(-5*i)
    name.left(i)

# DO NOT DELETE BELOW THIS LINE
turtle.done()