Python Practice Lab: Learn How to Code through Interactive Examples

Cover....1 Contents....6 Preface....10 Guiding Principles....14 1. Introduction to Computer Science....18 1.1. Welcome to CS!....18 1.1.1. Learning Outcomes....20 1.1.2. Alien Explanations....20 1.1.3. Writing and Running Your Programs....21 1.1.4. Motivational Quote Generator....22 1.1.5. Review Questions....23 1.1.6. Practice Exercises....24 1.1.7. Glossary....24 2. Chatbots....26 2.1. Chatbots with Personality....27 2.1.1. Learning Outcomes....28 2.1.2. Greetings Chatbot....29 2.1.3. How’s It Going Bot....35 2.1.4. Horoscope Bot....39 2.1.5. Review Questions....43 2.1.6. Practice Exercises....44 2.1.7. Glossary....45 2.2. Chatbots with Loops....46 2.2.1. Learning Outcomes....46 2.2.2. A Robust Bot....47 2.2.3. Food Bot....49 2.2.4. Measuring Things in Canada....51 2.2.5. Bubble Tea Menu....53 2.2.6. Mind Reader Game....55 2.2.7. Review Questions....59 2.2.8. Practice Exercises....60 2.2.9. Glossary....61 3. Recommendation Systems....62 3.1. Popularity Contest....63 3.1.1. Learning Outcomes....63 3.1.2. Popular Cafe Finder....63 3.1.3. Chip Rater....67 3.1.4. Movie Rater....69 3.1.5. Review Questions....71 3.1.6. Practice Exercises....73 3.1.7. Glossary....74 3.2. Finding Your Match....74 3.2.1. Learning Outcomes....74 3.2.2. Data Files....75 3.2.3. Favourite Pets....76 3.2.4. Similarity Score....82 3.2.5. Who Is Most Similar to You?....83 3.2.6. Review Questions....85 3.2.7. Practice Exercises....87 3.2.8. Glossary....88 4. Graphics and Computer Vision....89 4.1. Interactive Drawings....90 4.1.1. Learning Outcomes....90 4.1.2. Basic Turtle Commands....90 4.1.3. Interactive Drawing with Turtle....91 4.1.4. Cookie Drawer....93 4.1.5. Review Questions....96 4.2. Image Processing....98 4.2.1. Learning Outcomes....98 4.2.2. Green or Not?....99 4.2.3. Image Magic....108 4.2.4. Cool Colours Module....113 4.2.5. Review Questions....117 4.2.6. Practice Exercises....118 4.3. Drawing Trees....118 4.3.1. Learning Outcomes....118 4.3.2. Intro to Recursion....119 4.3.3. Recursion Revisited....123 4.3.4. Review Questions....127 4.3.5. Practice Exercises....127 5. Internet and Big Data....129 5.1. Searching....129 5.1.1. Learning Outcomes....130 5.1.2. Linear Search....130 5.1.3. Binary Search....132 5.1.4. Review Questions....134 5.1.5. Practice Exercises....134 5.2. Sorting....135 5.2.1. Learning Outcomes....135 5.2.2. Selection Sort....135 5.2.3. Merge Sort....139 5.2.4. Review Questions....141 5.2.5. Practice Exercises....141 5.3. Map, Filter, Reduce....142 5.3.1. Learning Outcomes....145 5.3.2. Review Questions....145 5.3.3. Practice Exercises....146 6. Expert Projects....147 6.1. Audio-Visual Language Learning Chatbot....147 6.2. Interactive Image Processor....152 Index....156