Introduction to Python

Python is one of the most popular programming languages in the world. It's simple, readable, and incredibly versatile — used in web development, data science, AI, automation, and more.

Why Python?

• Easy to read and write
• Great for beginners
• Massive library ecosystem
• Used in AI, ML, Data Science, Web Dev, Automation
• High demand in the job market

Syntax

PYTHON

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# Python uses indentation for code blocks
name = "SukhNexus"
print(f"Hello, {name}!")

# No semicolons or braces needed
for i in range(5):
    print(f"Number: {i}")

Hello World in Python

PYTHON

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# Python is easy to read
print("Hello, World!")

name = "SukhNexus Academy"
print("Welcome to", name)

# Dynamic typing
age = 25
name = "Alice"
print(f"{name} is {age} years old")

# Python indentation matters
if age > 18:
    print("Adult")

Try It Yourself

Practice

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Exercise

Create a variable $name and print "Hello, [name]!" using Python.

Answer

name = "SukhNexus"
print(f"Hello, {name}!")

Quick Quiz

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What symbol is used for comments in Python?

//

#

/*

--

Python uses # for single-line comments.

Retry Quiz

Interview Questions

What are the key features of Python?

Python features include: easy syntax, dynamic typing, extensive standard library, object-oriented and functional programming support, automatic memory management (garbage collection), and cross-platform compatibility.

Tutorial Complete

Back to Python