🐍

Python Programming Tutorial Overview

May 15, 2025

Python Programming Tutorial Summary

Introduction

  • Presenter: Mosh Hamadani
  • Purpose: Learn Python from scratch for data science, machine learning, or web development.
  • Audience: Beginners with no prior programming knowledge.

Why Learn Python?

  • Multi-purpose language:
    • Machine Learning & AI (most popular language)
    • Web Development (using Django)
    • Automation
  • Examples of Python in use:
    • Websites like YouTube, Instagram, Spotify, Dropbox, Pinterest

Getting Started with Python

  1. Download Python

    • Visit python.org to download the latest version.
    • Ensure to add Python to your system path during installation.

  2. Install a Code Editor

    • Recommended: PyCharm (Community Edition is free).
    • Setup new Python projects and understand virtual environments.

Writing Your First Python Program

  • Create a new Python file called app.py.
  • Use the print() function to output text. print("Hello, World!")

Variables in Python

  • Used to store data temporarily.
  • Declaration example: age = 20
  • Variable types include integers, floats, strings, and booleans.

User Input

  • Use input() function to receive input from the user.
  • Convert input strings to other types using int(), float(), etc.

String Methods

  • Common methods include .upper(), .lower(), .find(), .replace().
  • Strings are immutable; methods return new strings.

Arithmetic and Comparison Operations

  • Standard arithmetic operators: +, -, *, /, //, %, ** (exponent).
  • Comparison operators for evaluating conditions.***

Logical Operators

  • Include and, or, not for building complex logical conditions.

If Statements

  • Structure for decision-making in programs.
  • Can include elif for multiple conditions and else for defaults.

Loops in Python

  • while loops for repeating blocks of code.
  • for loops for iterating over sequences.

Lists and Their Operations

  • Lists: Mutable sequences of elements.
  • Methods: .append(), .insert(), .remove(), .clear().
  • Use len() to get the number of items.

Tuples

  • Immutable sequences, defined using parentheses ().
  • Limited methods: .count(), .index().

Range Function

  • Generates sequences of numbers, often used in loops.
  • Syntax: range(start, stop, step).

Conclusion

  • Encouragement to practice coding with exercises.
  • Invitation to explore further courses for in-depth learning.

Additional Resources

Full transcript