Variables, Data Types, and Basic Operations

🎯 Learning Objectives

By the end of this lesson, you will:

  • Understand what variables are and how to use them
  • Learn Python's basic data types
  • Master basic operations with different data types
  • Know how to convert between data types

📝 Introduction

In Python, variables are like containers that store data. Think of them as labeled boxes where you can put different types of information.

1. Variables and Assignment

Basic Assignment

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Naming Rules

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2. Basic Data Types

Numbers

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Strings

{"tool": "python-executor", "defaultValue": "# String creation\nsingle_quotes = 'Hello'\ndouble_quotes = "World"\nmulti_line = """This is a\nmulti-line string"""\n\nprint(single_quotes)\nprint(double_quotes)\nprint(multi_line)"}

Booleans

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3. Basic Operations

Arithmetic Operations

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String Operations

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Comparison Operations

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4. Type Conversion

Explicit Type Conversion

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🔨 Practice Exercises

Exercise 1: Variable Basics

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Exercise 2: Operations

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Exercise 3: Type Conversion Challenge

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🎯 Knowledge Check

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🏆 Mini-Project: Temperature Converter

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📚 Additional Resources

  • Python Documentation on Data Types
  • Interactive Data Type Visualization Tool
  • Practice Exercises Repository

💡 Pro Tips

  • Always use meaningful variable names
  • Be careful with type conversion of floating-point numbers
  • Remember that strings are immutable