# Activity

## Presentation

{% embed url="<https://docs.google.com/presentation/d/1NbkZ78sMNCwtb9YlCAOBsZcaO2Vx7Sss9sbmk4bsPPo/edit?usp=sharing>" %}

## Python Turtle Interactive Mode

{% embed url="<https://youtu.be/Vs-fxZ0tn4Y>" %}

## Python Turtle Script Mode

{% embed url="<https://youtu.be/Rr_1cPWgE_M>" %}

## Turtle Commands

| Command                         | Description                                                                                                                                                                                                                                                                                |
| ------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| turtle.forward(*distance*)      | Move the turtle forward by the specified *distance*, in the direction the turtle is headed.                                                                                                                                                                                                |
| turtle.backward(*distance*)     | Move the turtle backward by *distance*, opposite to the direction the turtle is headed.                                                                                                                                                                                                    |
| turtle.home()                   | Move turtle to the origin – coordinates (0,0) – and set its heading to its start-orientation.                                                                                                                                                                                              |
| turtle.penup()                  | Pull the pen up – no drawing when moving.                                                                                                                                                                                                                                                  |
| turtle.pendown()                | Pull the pen down – drawing when moving.                                                                                                                                                                                                                                                   |
| turtle.pencolor(*colorstring*)  | <p>Set pencolor to colorstring (default colorstring is "black")  </p><p></p><p>Examples:</p><p></p><p>turtle.pencolor("red")</p><p>turtle.pencolor("blue")</p><p>turtle.pencolor("yellow")</p><p>turtle.pencolor("blue")</p><p>turtle.pencolor("black")</p><p>turtle.pencolor("green")</p> |
| turtle.circle(*radius)*         | Draw a circle with given *radius*.                                                                                                                                                                                                                                                         |
| turtle.circle(radius, extent)   | Draw a circle with given radius and extent – an angle – determines which part of the circle is drawn.                                                                                                                                                                                      |
| turtle.shape("turtle")          | Sets the turtle shape to turtle.                                                                                                                                                                                                                                                           |
| turtle.undo()                   | Undo (repeatedly) the last turtle action(s)                                                                                                                                                                                                                                                |
| turtle.clear()                  | Erases all drawings that currently appear in the graphics window.                                                                                                                                                                                                                          |
| turtle.begin\_fill()            | Starts the fill color                                                                                                                                                                                                                                                                      |
| turtle.fillcolor(*colorstring*) | <p>Examples:<br></p><p>turtle.fillcolor("red")</p><p>turtle.fillcolor("blue")</p><p>turtle.fillcolor("yellow")</p><p>turtle.fillcolor("blue")</p><p>turtle.fillcolor("black")turtle.fillcolor("green")</p>                                                                                 |
| turtle.end\_fill()              | Ends the fill color                                                                                                                                                                                                                                                                        |


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