Python For Loops Explained: Iterate over Lists, Strings & Dictionaries | Python Tutorial #20

Welcome to what might be the most powerful lecture in this entire course! In this video, we dive deep into Python For Loops—the ultimate tool for blasting through thousands of pieces of data in the blink of an eye.

You’ll learn how for loops integrate with Python’s legendary data structures (Lists, Strings, and Dictionaries) to automate complex tasks with just a few lines of code.

📌 Timestamps:
00:00:00 Introduction: Why For Loops are a Game Changer
00:00:50 What exactly is a For Loop? (Variables & Iterables)
00:01:30 The Range Function Explained (1 to 10 Example)
00:02:40 How to run a loop 1,000 times in 2 lines of code
00:03:55 Iterating over Strings: Breaking down words letter by letter
00:05:00 Advanced Range: Customizing Start, Stop, and Step
00:05:45 Project 1: Counting Vowels and Consonants in any Text
00:08:15 Power Move: Processing long words (Supercalifragilistic!)
00:09:05 Iterating over Dictionaries (Male vs. Female Students)
00:10:40 Nested Loops: Loops inside Loops for deep data filtering
00:13:20 Summary: Why mastering For Loops opens every door in Coding
00:15:10 UP NEXT: List Comprehensions (For Loops in one line!)

This is Episode #20 of the Complete Python 2025 series. If you want to move from a beginner to a pro, mastering the logic in this video is essential.

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