Create README.md

Author: SuRu190

task07-show-hide-paragraph/README.md

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+# Task 07 – Show / Hide Paragraph
+
+## ✅ Objective:
+Toggle visibility of a paragraph using a single button.
+
+## 💡 Concepts Practiced:
+- Class toggling
+- `classList.add`, `remove`, and `toggle`
+- Basic hide/show logic
+
+## 📘 What I Learned:
+- How to show/hide elements using CSS classes.
+- Simple toggle techniques using JavaScript.
+
+## ▶️ Example Flow:
+1. Paragraph is visible by default.
+2. Click → paragraph hides.
+3. Click again → shows back.