Python Introduction

Python Tutorial

Python Introduction

Python is a high-level, general-purpose programming language known for its simplicity, readability, and versatility. It was created by Guido van Rossum and first released in 1991.

Python is widely used in:

  • Web development

  • Data science & analytics

  • Machine learning & AI

  • Automation & scripting

  • Game development

  • Software development

  • Cybersecurity

 Why Learn Python?

FeatureBenefit
Easy to learnSimple and readable syntax
Cross-platformWorks on Windows, macOS, Linux, etc.
VersatileCan build almost any type of software
Huge librariesSupports AI, data science, web apps, gaming, etc.
Strong communityEasy support and learning resources

 How Python Works

Python is an interpreted language, meaning code is executed line-by-line, not compiled.

Example:


When you run this program, Python interpreter processes it and prints:

Hello, Python!

Python Syntax Basics

 Variables


 Data Types


 Comments

# This is a single-line comment

“””
This is a
multi-line comment
“””

 Control Statements

 If-Else

num = 10

if num > 5:
print(“Greater than 5”)
else:
print(“Less or equal to 5”)

 Looping

 For Loop

for i in range(5):
print(i)

 While Loop

count = 1
while count <= 5:
print(count)
count += 1

 Functions

def greet(name):
print("Hello", name)greet(“Rahul”)

Python Libraries (Examples)

CategoryExample Library
Web DevelopmentDjango, Flask
Data ScienceNumPy, Pandas, Matplotlib
Machine LearningTensorFlow, Scikit-Learn, PyTorch
AutomationSelenium, PyAutoGUI

 Summary

Python is:

  • Beginner-friendly

  • Flexible

  • In-demand

  • Great for both small scripts and large applications

You may also like...