LECTURE 1

What is Python?

Your journey into the world's most versatile programming language begins here. Master the fundamentals and unlock endless possibilities.

Beginner Friendly 10 min read Interactive

Introduction to Python

Python is a high-level, interpreted programming language known for its simplicity and readability. Created by Guido van Rossum and first released in 1991, Python has become one of the most popular languages worldwide.

"Python is an easy to learn, powerful programming language. It has efficient high-level data structures and a simple but effective approach to object-oriented programming."

— Python Documentation

Why Learn Python?

Easy to Learn

Clean syntax that reads like English. Perfect for beginners starting their coding journey.

Versatile

Web development, AI, data science, automation — Python does it all.

Large Community

Millions of developers, extensive documentation, and countless libraries.

Cross-Platform

Write once, run anywhere — Windows, Mac, Linux, and more.

Python by the Numbers

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Million+ Developers
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K+ Libraries
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Years of History
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Ranked Language
hello.py 
# Your first Python program
print("Hello, World!")

# Variables in Python
name = "Python Learner"
age = 25

# Output with f-strings
print(f"Welcome, {name}! You are {age} years old.")

What Can You Do with Python?

Web Development

Django, Flask, FastAPI

Data Science

Pandas, NumPy, Matplotlib

Machine Learning

TensorFlow, PyTorch, Scikit

Automation

Selenium, Beautiful Soup

Python Timeline

1989

Development Begins

Guido van Rossum starts working on Python as a hobby project during Christmas.

1991

Python 0.9.0 Released

First public release includes classes, exception handling, functions, and core data types.

2008

Python 3.0 Released

Major redesign of the language, fixing fundamental design flaws.

2024

Python 3.12+ Era

Continued evolution with performance improvements, better error messages, and modern syntax.

Knowledge Check

Test your understanding of Python basics

Key Takeaways

  • 1 Python is a high-level, interpreted programming language created by Guido van Rossum.
  • 2 It emphasizes code readability with its clean, English-like syntax.
  • 3 Python is versatile — used for web development, AI, data science, automation, and more.
  • 4 Large community and ecosystem with thousands of libraries available.
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Installing Python