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Introduction to Computer Science in Python
Context
Motivation for This Book
Resources Online
Computer Science, Broadly
Chapter Review Questions
Python Data and Operations
A Sample Python Program
Lab: Editing and Running Python Programs
Arithmetic
Variables and Assignment
Reading Python Syntax
Strings, Part I
Writing to the Screen
Python Program Structure
Combining Input and Output
String Special Cases
F-Strings and String Formatting
Types and Conversions
Learning to Solve Problems
Lab: Division Sentences
Chapter Review Questions
Defining Functions of Your Own
A First Function Definition
Multiple Function Definitions
Function Parameters
Multiple Function Parameters
Returned Function Values
Two Roles: Writer and Consumer of Functions
Local Scope
Library Modules
Chapter Review Questions
Basic String Operations
String Indexing and Slicing
String Methods and Length
A Creative Problem Solution
Lab: String Operations
Chapter Review Questions
Decisions
Conditions
More Conditional Expressions
Compound Boolean Expressions
Simple
if
Statements
if
-
elif
-
else
Statements
Nested
if
Statements
If-Statement Pitfalls
Chapter Review Questions
While Loops
While Statements
User Input Utilities
Interactive
while
Loops
While Loops with Sequences
While Loop Examples
Greatest Common Divisor
Lab: Number Guessing Game
Chapter Review Questions
For Loops
For Loop Syntax
The
range()
Function
For Loop Examples
List Comprehensions
Lab: Nested Loops
Chapter Review Questions
Files, Paths, and Directories
Path Strings
Reading Files
Writing Files
Working with
pathlib
Chapter Review Questions
Lists
List Syntax
List Methods
Searching
Sorting
Lab: Lists
Chapter Review Questions
Tuples
Tuple Syntax
Tuple Examples
Tuple Unpacking
Chapter Review Questions
Dictionaries
Dictionary Syntax
Dictionary Examples
Dictionary Efficiency
Lab: File Data and Collections
Chapter Review Questions
Classes and Object-Oriented Programming
A First Example of Class Instances
Class Instance Examples
Planning a Class Structure
Python Dataclasses
The Rational Class
Chapter Review Questions
Testing
Introduction to pytest
Writing Effective Tests
Chapter Review Questions
Recursion
Introduction to Recursion
Recursion Examples
Chapter Review Questions
Data Structures
Stacks and Queues
Linked Lists
Chapter Review Questions
Appendix
Contributors
Acknowledgments
Command Line Introduction
Operator Precedence
Homework: Grade Calculation
Lab: Version Control
Repository
Open issue
Homework: Grade Calculation
Homework: Grade Calculation
#
Todo
Python version of the grade calculation homework.
