Python Program to Map Lowercase Letters to Uppercase | Program | Python for Beginner

Published: 24 July 2025
on channel: Coding With Sagarika

we learn how to write a simple Python function that takes a list of lowercase letters and returns a dictionary with each letter mapped to its uppercase version.

👉 Great for beginners learning:
• Python functions
• Loops
• Dictionaries
• upper() string method

🧠 Examples Covered:
• mapping([“p”, “s”])
• mapping([“a”, “b”, “c”])
• mapping([“a”, “v”, “y”, “z”])

💡 Perfect for Python practice and interviews!

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