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Python 3

Unit 1 · Python Foundations

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Lesson Steps

Instructions

Follow each step, write your code in the editor, and click Check Answer when ready.

Hint

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Grit is cheering you on!

Code Arcade

Typed Python Arcade

Warm up with Reaction Timer, then type Python to solve fast mini-games that match the lessons.

Best: -- Reaction: 0/100 XP Typed: 0/150 XP

Warm-up Reaction Timer

Valid plays earn XP. Early clicks are false starts.

What this teaches

Variables store the start time and best score.
Timers wait before changing the game state.
Events run code when a click happens.
Conditionals decide if the click was early or valid.

if state == "click":
    reaction = now - start_time
    if reaction < best:
        best = reaction
else:
    false_start = True

Python Code Sprint

Target Output

Output

(run your code)

Feedback

Type Python, run it, then submit when it matches the target.

Mission 1

Get the Battery

Move GritBot from base to the battery, pick it up, return to base, and drop it.

Target: 12 commands Best: --

Write commands, then run or step through the mission.

Robot Code

Robot code concepts

forward() teaches sequencing.
Turns change direction and robot state.
pickUp() and drop() use condition checks.
Mission success requires algorithmic planning.

robot.forward()
robot.turnRight()
robot.pickUp()
robot.drop()

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Level 1 Starter Bot

📝 Unit Test

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Python Foundations

Python Programming

Pybricks Robot Programming

Robot Measurements

Robot Setup

File Structure

Practice

Reference Guide

Coding Challenges