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Lists vs Tuples vs Sets vs Dictionnaries in Python

🔷 Introduction

If you're preparing for a Python coding interview, one of the first questions you'll face is:

"Wich data structure would you use for this problem, and why?"

Python offers four fundamental built-in data structures:

• List - ordered, mutable sequence.
• Tuple - ordered, immutable sequence.
• Set - unordered, unique elements.
• Dictionary - key-value mapping.

At first glance, they might feel interchangeable. But …

Mutable and Immutable types in Python

🔷 Introduction

If you're preparing for Python coding interviews, you've probably heard the terms mutable and immutable. They may sound abstract, but they play a huge role in how Python works under the hood, and understanding them can save you from subtle bugs.

in this post, we'll explore:

• What mutability means in Python
• Which built-in types are mutable vs immutable
• Common interview pitfalls
• Why this concept …

List and Array in Python

The List is one of the built-in data type in Python. The four collection data types are: list, tuple, set and dictionary.