You Will Learn Python!

Zed Shaw has created the world's most reliable system for learning Python. Follow it and you will succeed--just like the millions of beginners Zed has taught to date! You bring the discipline, persistence, and attention; the author supplies the masterful knowledge you need to succeed.

In Learn Python the Hard Way, Fifth Edition , you'll learn Python by working through 60 lovingly crafted exercises. Read them. Type in the code. Run it. Fix your mistakes. Repeat. As you do, you'll learn how a computer works, how to solve problems, and how to enjoy programming . . . even when it's driving you crazy.

• Install a complete Python environment
• Organize and write code
• Fix and break code
• Basic mathematics
• Strings and text
• Interact with users
• Work with files
• Looping and logic
• Object-oriented programming
• Data structures using lists and dictionaries
• Modules, classes, and objects
• Python packaging
• Automated testing
• Basic SQL for Data Science
• Web scraping
• Fixing bad data (munging)

• The "Data" part of "Data Science"
  It'll be frustrating at first. But if you keep trying, you'll get it--and it'll feel amazing! This course will reward you for every minute you put into it. Soon, you'll know one of the world's most powerful, popular programming languages. You'll be a Python programmer.

  This Book Is Perfect For

• Total beginners with zero programming experience
• Junior developers who know one or two languages
• Returning professionals who haven't written code in years
• Aspiring Data Scientists or academics who need to learn to code

• Seasoned professionals looking for a fast, simple crash course in Python for Data Science
  Register your book for convenient access to downloads, updates, and/or corrections as they become available. See inside book for details.

  Autorentext

Zed A. Shaw is the author of the popular books, Learn Python the Hard Way, Learn Ruby the Hard Way, and Learn C the Hard Way. He is also the creator of several open source software projects and has been programming and writing for nearly 30 years. Most of his free time is devoted to the study of painting and art history.

Klappentext

"Zed Shaw has created the world's most reliable system for learning Python. Follow it and you will succeed--just like the millions of beginners Zed has taught to date! You bring the discipline, persistence, and attention; the author supplies the masterful knowledge you need to succeed. In Learn Python the Hard Way, Fifth Edition, you'll learn Python by working through 60 lovingly crafted exercises. Read them. Type in the code. Run it. Fix your mistakes. Repeat. As you do, you'll learn how a computer works, how to solve problems, and how to enjoy programming . . . even when it's driving you crazy."--

Zusammenfassung

You Will Learn Python!

Zed Shaw has created the world's most reliable system for learning Python. Follow it and you will succeed--just like the millions of beginners Zed has taught to date! You bring the discipline, persistence, and attention; the author supplies the masterful knowledge you need to succeed.

In Learn Python the Hard Way, Fifth Edition, you'll learn Python by working through 60 lovingly crafted exercises. Read them. Type in the code. Run it. Fix your mistakes. Repeat. As you do, you'll learn how a computer works, how to solve problems, and how to enjoy programming . . . even when it's driving you crazy.

• Install a complete Python environment
• Organize and write code
• Fix and break code
• Basic mathematics
• Strings and text
• Interact with users
• Work with files
• Looping and logic
• Object-oriented programming
• Data structures using lists and dictionaries
• Modules, classes, and objects
• Python packaging
• Automated testing
• Basic SQL for Data Science
• Web scraping
• Fixing bad data (munging)

• The "Data" part of "Data Science"
  It'll be frustrating at first. But if you keep trying, you'll get it--and it'll feel amazing! This course will reward you for every minute you put into it. Soon, you'll know one of the world's most powerful, popular programming languages. You'll be a Python programmer.

  This Book Is Perfect For

• Total beginners with zero programming experience
• Junior developers who know one or two languages
• Returning professionals who haven't written code in years
• Aspiring Data Scientists or academics who need to learn to code

• Seasoned professionals looking for a fast, simple crash course in Python for Data Science
  Register your book for convenient access to downloads, updates, and/or corrections as they become available. See inside book for details.

  Inhalt

  Preface xix

  Module 1: Getting Started in Python 1

  Exercise 0: Gearing Up 2
  General Instructions 2
  Minimalist Start 3
  Complete Instructions 3
  Testing Your Setup 3
  Learning the Command Line 4
  Next Steps 5

  Exercise 1: A Good First Program 6
  What You Should See 7
  Study Drills 8
  Common Student Questions 9
  The Blue Plus 9

  Exercise 2: Comments and Pound Characters 10
  What You Should See 10
  Study Drills 10
  Common Student Questions 11

  Exercise 3: Numbers and Math 12
  What You Should See 13
  Study Drills 13
  Common Student Questions 13

  Exercise 4: Variables and Names 16
  What You Should See 17
  Study Drills 17
  Common Student Questions 17

  Exercise 5: More Variables and Printing 20
  What You Should See 20
  Study Drills 21
  Common Student Questions 21

  Exercise 6: Strings and Text 22
  What You Should See 23
  Study Drills 23
  Break It 23
  Common Student Questions 24

  Exercise 7: Combining Strings 26
  What You Should See 26
  Study Drills 26
  Break It 27
  Common Student Questions 27

  Exercise 8: Formatting Strings Manually 28
  What You Should See 28
  Study Drills 29
  Common Student Questions 29

  Exercise 9: Multi-Line Strings 30
  What You Should See 30
  Study Drills 31
  Common Student Questions 31

  Exercise 10: Escape Codes in Strings 32
  What You Should See 33
  Escape Sequences 33
  Study Drills 34
  Common Student Questions 34

  Exercise 11: Asking People Questions 36
  What You Should See 36
  Study Drills 37
  Common Student Questions 37

  Exercise 12: An Easier Way to Prompt 38
  What You Should See 38
  Study Drills 38
  Common Student Questions 39

  Exercise 13: Parameters, Unpacking, Variables 40
  Code Description 41
  Hold Up! Features Have Another Name 42
  What You Should See 42
  Study Drills 43
  Common Student Questions 43

  Exercise 14: Prompting and Passing 46
  What You Should See 47
  Study Drills 47
  Common Student Questions 47

  Exercise 15: Reading Files 50
  What You Should See 51
  Study Drills 51
  Common Student Questions 52

  Exercise 16: Reading and Writing Files 54
  What You Should See 55
  Study Drills 55
  Common Student Questions 56

  Exercise 17: More Files 58
  What You Should See 59
  Study Drills 59
  Common Student Questions 59

  Module 2: The Basics of Programming 61

  Exercise 18: Names, Variables, Code, Functions 62
  Exercise Code 63
  What You Should See 65
  Study Drills 65
  Common Student Questions 66

  Exercise 19: Functions and Variables 68
  What You Should See 69
  Study Drills 70
  Common Student Questions 70

  Exercise 20: Functions and Files 72
  What You Should See 73
  Study Drills 73
  Common Student Questions 74

  Exercise 21: Functions Can Return Something 76
  What You Should See 77
  Study Drills 77
  Common Student Questions 78

  **Exerci…