🔍 Parse URL Query String

❓ Problem Statement

You are given a URL query string in the format:

Write a JavaScript function that parses this query string and returns a JavaScript object with key: value pairs.

---

🔢 Input Format

A single line containing the query string.

---

✅ Constraints

• Keys and values consist of alphanumeric characters only
• No repeated keys

---

📌 Example Input

---

📤 Output Format

A JSON object with keys and values.

---

✅ Constraints

• Keys and values consist of alphanumeric characters only
• No repeated keys

---

📌 Example Input

name=john&age=23&lang=javascript

---

🎯 Example Output

{
  "name": "john",
  "age": "23",
  "lang": "javascript"
}