Drawing with Code: Python Turtle Graphics

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Drawing with Code: Python Turtle Graphics

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Companion summary

Imagine telling a virtual pen exactly where to roam, and watching it paint patterns across your screen like magic. Game developers and data scientists use similar drawing commands to visualise ideas before building the real thing. Python's turtle can draw a perfect snowflake using just a loop that repeats one short turn sixty times. When you finish, try changing the angle and see what wild new shapes appear.

Imagine You Are the Pen

Imagine You Are the Pen

Picture a robot arm holding a pen on a piece of paper. You can only give it four instructions: move forward, move backward, turn left, or turn right. Could you write a set of instructions that makes the robot draw a perfect square? Think about it for a moment — how many steps forward and how many turns would you need? How many degrees should each turn be? Jot down your guesses before you read on.

💭 Think about this

If you walked forward 100 steps, turned, walked forward 100 steps, turned, and repeated until you were back where you started making a square — how many turns did you make and how many degrees was each turn?

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