Скачать или смотреть Python for Beginners - Lesson 3: Variables and Data Types (2025)

Welcome to Lesson 3 of our complete Python for Beginners course! In this essential tutorial, you'll learn how programs remember information using variables. We'll cover everything from creating your first variable to understanding Python's core data types (integers, floats, strings, booleans) and mastering naming conventions.

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In this video (Lesson 3), you will learn:

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00:00 - How Programs Remember Information

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01:20 - What is a Variable? (The Storage Box Metaphor)

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02:50 - Creating Your First Variable in Python

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04:15 - The Art of Good Labelling: Variable Naming Rules

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06:00 - Data Types: Integers (int) and Floats (float)

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07:30 - Data Types: Strings (str) for Text

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08:45 - Data Types: Booleans (bool) for True/False

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10:00 - Using the type() Function to Check Data Types

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11:15 - Type Casting: Converting Between Data Types

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12:30 - Practical Examples and Common Errors

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13:45 - Next Steps: Working with Numbers

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