Add Heading after all Answers - ML-Machine-Learning/py /QA.md

[akashdip2001]

Add Heading after all Answers ML-Machine-Learning/py
/QA.md

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Wrong format ❌

Problem 1: Find the Oldest Age

Question: User will input three ages. Find the oldest one.
...

Correct with the Right format, ✅

Problem 1:

Find the Oldest Age

Question: User will input three ages. Find the oldest one.

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Check it after submitting

• I check every Answer carefully.
• Recheck my Work after Submitting.