Python Workout: 200 ten-minute exercises. 2 Ed

Python Workout....1 Praise for the First Edition....3 brief contents....10 contents....11 preface....15 acknowledgments....16 about this book....18 Who should read this book....19 How this book is organized: A road map....19 About the code....20 Software/hardware requirements....21 liveBook discussion forum....21 about the author....22 about the cover illustration....23 1 Improving your Python with practice....25 The role of exercises....26 Scope and goal....27 What’s in the book?....27 What do you need?....28 What about AI?....28 2 Numeric types....31 Useful references....32 Exercise 1 n Number guessing game....32 Working it out....33 Solution....35 Beyond the exercise....36 Exercise 2 n Summing numbers....38 Working it out....38 Solution....39 Beyond the exercise....39 Exercise 3 n Run timing....40 Working it out....41 Solution....42 Beyond the exercise....42 Exercise 4 n Hexadecimal output....43 Working it out....44 Solution....44 Beyond the exercise....45 Summary....45 3 Strings....46 Useful references....47 Exercise 5 n Pig Latin....47 Working it out....48 Solution....49 Beyond the exercise....49 Exercise 6 n Pig Latin sentence....51 Working it out....51 Solution....52 Beyond the exercise....53 Exercise 7 n Ubbi Dubbi....53 Working it out....54 Solution....54 Beyond the exercise....54 Exercise 8 n Sorting a string....55 Working it out....55 Solution....56 Beyond the exercise....56 Summary....57 4 Lists and tuples....58 Useful references....59 Exercise 9 n First-last....60 Working it out....60 Solution....64 Beyond the exercise....64 Exercise 10 n Summing anything....66 Working it out....67 Solution....68 Beyond the exercise....69 Exercise 11 n Alphabetizing countries....69 Working it out....70 Solution....72 Beyond the exercise....72 Exercise 12 n Word with most repeated letters....75 Working it out....76 Solution....77 Beyond the exercise....78 Exercise 13 n Printing tuple records....78 Working it out....79 Solution....79 Beyond the exercise....80 Summary....80 5 Dictionaries and sets....81 Hashing and dicts....82 Sets....83 Useful references....84 Exercise 14 n Restaurant....84 Working it out....85 Solution....86 Beyond the exercise....86 Exercise 15 n Rainfall....87 Working it out....87 Solution....91 Beyond the exercise....91 Exercise 16 n Dictdiff....91 Working it out....92 Solution....95 Beyond the exercise....95 Exercise 17 n How many different numbers?....96 Working it out....96 Solution....97 Beyond the exercise....97 Summary....97 6 Files....99 Useful references....100 Exercise 18 n Final line....100 Working it out....101 Solution....104 Beyond the exercise....105 Exercise 19 n /etc/passwd to dict....106 Working it out....107 Solution....107 Beyond the exercise....108 Exercise 20 n Word count....109 Working it out....110 Solution....112 Beyond the exercise....112 Exercise 21 n Longest word per file....112 Working it out....113 Solution....114 Beyond the exercise....114 Exercise 22 n Reading and writing CSV....116 Working it out....118 Solution....119 Beyond the exercise....119 Exercise 23 n JSON....119 Working it out....120 Solution....122 Beyond the exercise....123 Exercise 24 n Reverse lines....123 Working it out....123 Solution....124 Beyond the exercise....124 Summary....125 7 Functions....126 Useful references....127 Exercise 25 n XML generator....129 Working it out....129 Solution....131 Beyond the exercise....131 Exercise 26 n Prefix notation calculator....135 Working it out....136 Solution....138 Beyond the exercise....138 Exercise 27 n Password generator....139 Working it out....140 Solution....141 Beyond the exercise....142 Summary....142 8 Functional programming with comprehensions....143 Useful references....144 Exercise 28 n Join numbers....145 Working it out....146 Solution....149 Beyond the exercise....149 Exercise 29 n Add numbers....152 Working it out....152 Solution....154 Beyond the exercise....154 Exercise 30 n Flatten a list....154 Working it out....155 Solution....155 Beyond the exercise....155 Exercise 31 n Pig Latin translation of a file....156 Working it out....156 Solution....157 Beyond the exercise....158 Exercise 32 n Flip a dict....158 Working it out....158 Solution....159 Beyond the exercise....159 Exercise 33 n Transform values....160 Working it out....160 Solution....161 Beyond the exercise....161 Exercise 34 n (Almost) supervocalic words....162 Working it out....162 Solution....164 Beyond the exercise....164 Exercise 35a n Gematria, part 1....164 Working it out....165 Solution....165 Beyond the exercise....165 Exercise 35b n Gematria, part 2....166 Working it out....167 Solution....167 Beyond the exercise....168 Summary....168 9 Modules and packages....169 Useful references....170 Exercise 36 n Sales tax....173 Working it out....174 Solution....175 Beyond the exercise....176 Exercise 37 n Menu....177 Working it out....178 Solution....179 Beyond the exercise....179 Summary....181 10 Objects....182 What are objects, anyway?....182 Why use objects?....183 Practicing with objects....185 Useful references....185 Exercise 38 n Ice cream scoop....186 Working it out....187 Solution....188 Beyond the exercise....188 Exercise 39 n Ice cream bowl....191 Working it out....193 Solution....194 Beyond the exercise....195 Exercise 40 n Bowl limits....198 Working it out....198 Solution....200 Beyond the exercise....201 Exercise 41 n A bigger bowl....203 Working it out....203 Solution....204 Beyond the exercise....205 Exercise 42 n FlexibleDict....205 Working it out....206 Solution....207 Beyond the exercise....207 Exercise 43 n Animals....208 Working it out....208 Solution....210 Beyond the exercise....211 Exercise 44 n Cages....211 Working it out....212 Solution....213 Beyond the exercise....214 Exercise 45 n Zoo....214 Working it out....215 Solution....216 Beyond the exercise....217 Summary....217 11 Iterators and generators....218 What is a for loop?....218 Python’s iteration protocol....219 Making your class iterable....219 Other iterators....221 Useful references....221 Exercise 46 n MyEnumerate....223 Working it out....223 Solution....224 Beyond the exercise....225 Exercise 47 n Circle....225 Working it out....225 Solution....226 Beyond the exercise....227 Exercise 48 n All lines, all files....227 Working it out....228 Solution....229 Beyond the exercise....229 Exercise 49 n Elapsed since....230 Working it out....230 Solution....231 Beyond the exercise....231 Exercise 50 n MyChain....232 Working it out....232 Solution....233 Beyond the exercise....233 Summary....233 Conclusion....234 12 Where to from here?....235 What next?....236 Keep in touch....236 index....237 Symbols....237 A....237 B....237 C....237 D....237 E....237 F....237 G....237 H....238 I....238 J....238 K....238 L....238 M....238 N....238 O....238 P....238 R....238 S....238 T....239 V....239 W....239 Y....239 Python Workout - back....241