PYTHON Get Started

Step 1: Install Python

Windows

1. Download Python from python.org
2. Run the installer and select Add Python to PATH
3. Verify installation by opening the command prompt and typing:

   python --version
   

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Mac & Linux

Python is pre-installed on most systems. To check:

python3 --version

If not installed, use:

sudo apt install python3  # Ubuntu/Debian  
brew install python       # macOS  

Step 2: Run Your First Python Program

Using the Python Shell

Open a terminal or command prompt and type:

python

Then, enter:

print("Hello, World!")

Using a Python Script

1. Create a new file hello.py
2. Add this code:

   print("Hello, Python!")
   

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3. Run the script:

   python hello.py
   

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Step 3: Python Basics

Before diving deep, learn the basics:

1. Variables & Data Types

name = "Alice"  # String
age = 25        # Integer
height = 5.6    # Float
is_student = True  # Boolean

2. Conditional Statements

age = 18
if age >= 18:
    print("You are an adult.")
else:
    print("You are a minor.")

3. Loops in Python

for i in range(5):
    print("Iteration:", i)

4. Functions in Python

def greet(name):
    return "Hello, " + name

print(greet("Alice"))

Step 4: Install a Code Editor (Optional)

For better coding experience, use:
✅ VS Code – Download
✅ PyCharm – Download