🧩 1. Data Type Playground

Write a program that declares one variable of each data type:

• string
• number
• boolean
• null
• undefined
• bigint
• symbol

👉 Print the variable and its type using typeof for each one.

Example Output:

Value: 25, Type: number
Value: true, Type: boolean
...

🧩 2**. Copy Test**

1. Create a variable num1 = 10
2. Copy it into another variable num2
3. Change the value of num2
4. Print both variables
5. Print explanation what happened.

🧩 3**. Create & Compare**

Create a Username using both a primitive and a non-primitive data type. Print them with their type