Python Programming Basics – A Complete Beginner Guide

Table of Contents

• 1. Introduction to Python
• 2. Installing Python
• 3. Your First Python Program
• 4. Python Syntax Basics
• 5. Variables and Data Types
• 6. Input and Output
• 7. Operators
• 8. Conditional Statements
• 9. Loops
• 10. Functions
• 18. Conclusion

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1. Introduction to Python

Python is a high-level, interpreted, and beginner-friendly programming language. It is widely used for web development, data science, artificial intelligence, automation, game development, and more.

Why Learn Python?

• Easy to read and write
• Large community support
• Huge collection of libraries and frameworks
• Works on Windows, macOS, and Linux

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2. Installing Python

Step 1: Download Python

• Visit the official Python website
• Download the latest stable version (Python 3.x)

Step 2: Install Python

• Check “Add Python to PATH”
• Complete the installation

Step 3: Verify Installation

python --version

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3. Your First Python Program

print("Hello, World!")

python hello.py

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4. Python Syntax Basics

Comments

# This is a comment

Indentation

if 5 > 2:
    print("Five is greater than two")

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5. Variables and Data Types

name = "Alice"
age = 25
height = 5.6
is_student = True

• int – Integer numbers
• float – Decimal numbers
• str – Text
• bool – True or False

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6. Input and Output

name = input("Enter your name: ")
print("Hello", name)

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7. Operators

a = 10
b = 3
print(a + b)
print(a - b)
print(a * b)
print(a / b)

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8. Conditional Statements

age = 18
if age >= 18:
    print("You are eligible to vote")
else:
    print("You are not eligible")

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9. Loops

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

count = 0
while count < 5:
    print(count)
    count += 1

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10. Functions

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

print(greet("Alice"))

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18. Conclusion

Python is an excellent language for beginners and professionals alike. Practice regularly and build projects to master Python.

Happy Coding with Python! 🐍