Python Course Introduction
- Instructor: Mosh
- Course Objective: Learn programming in Python, a popular language for automation, AI, and web apps.
- Projects: Build three projects including a website using Django.
Projects Overview
-
Website for Grocery Store
- Homepage showing products
- Admin area for stock management
- Built with Django framework
-
Machine Learning Application
- Predict music preferences based on profiles
- Similar to YouTube recommendations
-
Automation with Python
- Automate repetitive tasks
- Example: Process thousands of spreadsheets in under a second
Course Design
- Target Audience: Beginners
- Approach: Step-by-step guidance, exercises for practice
- Instructor Experience: Software engineer with 20 years of experience; taught over 3 million people
Installation Tutorial
- Python Installation
- Download from Python.org
- Ensure adding Python to PATH on Windows
- Code Editor Installation
- Use PyCharm (IDE for Python)
- Installation steps for PyCharm on Windows and Mac
Basics of Python Programming
Writing and Running Python Code
- Use PyCharm to create and run Python scripts
- Example: Print name on screen using
print()
Exploring Python Concepts
- Variables: Store data temporarily
- Expressions: Code that produces a value
Getting User Input
- Use
input()
function to receive input
- Example: Greet user with their name
Data Types
- Numbers: Integers and floats
- Strings: Sequence of characters
- Booleans:
True
or False
Basic Operations
- Arithmetic:
+
, -
, *
, /
, //
, %
, **
- String manipulation: Access and modify strings
- Logical operations:
and
, or
, not
Python Projects and Career Path
- Learning Path: 2 hours/day, job-ready in 9-12 months
- Specialization: Web development, machine learning, etc.
- Career Prospects: Junior developer salary around $50k-$60k/year
Advanced Topics
Python Libraries and Modules
- Modules: Organize code into files
- Popular Libraries: Numpy, Pandas, Matplotlib, Scikit-learn
Object-Oriented Programming (OOP)
- Classes and Objects: Define new types and create instances
- Inheritance: Reuse code through parent-child class relationships
Error Handling
- Use
try-except
blocks to handle exceptions
Web Development with Django
- Install Django and create projects
- Use Django framework to build scalable web applications
Machine Learning Basics
- Data Preparation: Clean and prepare datasets
- Model Building: Use algorithms like decision trees
- Model Evaluation: Measure accuracy and optimize models
Final Project: Web Application using Django
- Objective: Build a web application with user login, product display, and cart functionality
- Skills Applied: Python, Django, HTML/CSS, and more
These notes cover the key topics and concepts from the lecture on Python programming, including installation, fundamental concepts, building applications, and exploring advanced topics like machine learning and web development with Django.