Python Getting Started

1. What is Python?

Python is a simple and powerful programming language.
It is easy to read and easy to write.

People use Python for:

• Websites

• Mobile and desktop apps

• Data analysis

• Artificial Intelligence (AI)

• Automation (saving time)

👉 Python looks almost like normal English, so beginners love it.

2. Why Learn Python?

Python is popular because:

• Easy to learn

• Less code, more work

• Used by big companies

• Good for beginners and professionals

Example:

This single line can show text on the screen.

3. Installing Python

Step 1: Download Python

Go to the official Python website:
👉 https://www.python.org

Click Download Python.

Step 2: Install Python

During installation:
✔ Check “Add Python to PATH”
✔ Click Install Now

Step 3: Check Python Installation

Open Command Prompt (Windows) or Terminal (Mac/Linux)
Type:

If Python is installed, you will see the version number.

4. Running Your First Python Program

There are two easy ways to run Python.

Method 1: Using Python Interactive Mode

Open Command Prompt / Terminal
Type:

You will see something like:

Now type:

Output:

👉 This is called Interactive Mode.
It is good for testing small code.

Method 2: Using a Python File (Best Way)

Step 1: Create a File

Create a new file and name it:

Step 2: Write Code

Inside the file, write:

Step 3: Run the File

Open Command Prompt in the file location and type:

Output:

5. Understanding Your First Python Code

Explanation:

• print → shows output on the screen

• "Hello, World!" → text message

• () → used to pass data to print

6. Python Indentation (Very Important)

Python uses spaces, not { }.

Correct Example

Wrong Example

❌ This will give an error.

👉 Always use 4 spaces.

7. Python Comments

Comments are notes for humans.

Single-Line Comment

Multi-Line Comment

8. Python Variables (First Look)

Variables store values.

Print them:

9. Taking Input from User

Python can ask questions.

Input with Numbers

10. Your First Small Program

Program: Add Two Numbers

11. Common Beginner Mistakes

❌ Forgetting indentation
❌ Misspelling print
❌ Forgetting quotes for text
❌ Not converting input to number

Example mistake:

Correct:

12. Summary (Getting Started)

✔ Python is easy and powerful
✔ Can run Python in terminal or file
✔ print() shows output
✔ Spaces are important
✔ Input is text by default

📘 Perfect for eBook

This chapter is ideal for:

• Beginner Python eBooks

• School & college students

• Self-learning readers

If you want next, I can write:

• Python Syntax & Variables (Next Chapter)

• Python in Bangla + English

• Practice exercises with answers

• MCQs for beginners

• PDF / EPUB ready formatting

Just tell me 😊