Day 18: Mastering Python Collections Module | Counters, Deque, NamedTuple & DefaultDict | 30 Days 🚀🚀

🚀 Day 18 of the 30-Day Python Challenge is here! Today, we’re diving into the Collections Module, one of Python’s most powerful tools for handling complex data structures efficiently.

🔹 Counters – Easily count occurrences in lists or strings.
🔹 Deque – Perform fast insertions and deletions at both ends of a queue.
🔹 NamedTuple – Tuples with named fields for better readability.
🔹 DefaultDict – Avoid missing key errors with default values.

📌 Why Learn Collections?

Simplifies handling large datasets.
Optimizes memory usage & performance.
Helps write cleaner & more readable code.
🔧 Hands-on Practice with examples and real-world use cases!

👉 Practice Questions:
1️⃣ Count character occurrences in "hello world" using Counter.
2️⃣ Create a defaultdict that stores lists and append values dynamically.
3️⃣ Define a NamedTuple for a Person with name and age fields.
4️⃣ Use a Deque to efficiently add/remove elements #learnpython #pythonchallenge #30daysofpython from both ends.
5️⃣ Find the most common element in a given list using Counter.

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