Introduction to Python Programming

Instructor Introduction

• Name: Mosh
• Course Overview: Learn to program in Python
  • Applications of Python: Automation, AI, building websites, web apps, etc.
  • Projects: Build three Python projects in the course

Python Overview

• Popularity: One of the most popular programming languages
• Applications: Automation, AI, web development
  • Examples: Instagram, Dropbox

Course Structure

• Core Concepts: Explanation of Python’s core concepts
• Projects: Components
  • Project 1: Build a website for a grocery store using Django
  • Project 2: Machine learning: Predict music preferences
  • Project 3: Automate the processing of spreadsheets

Getting Started

Python Installation

• Steps: Bring up browser and visit Python.org
• Latest Version Download (Current: 3.7.2)
  • Steps for Windows and Mac installations
  • Importance of selecting the ‘Add Python to PATH’ option

Code Editor

• Recommendation: PyCharm
• Installation Steps: Download from jetbrains.com/pycharm
  • Community Edition is sufficient and free
  • Installation steps for Windows and Mac

Writing Your First Python Program

• Steps: Start a new project in PyCharm
• Basic Code: Print statement

  print('Your Name’)
  

• Run the Program: Using Run menu or shortcuts

Exercises and Community Support

• Course Exercises: To build confidence
• Instructor’s Experience and Community: Taught programming to over 3 million users

Course Tutorial and Download Links

• First Tutorial: How to download and install Python and PyCharm
• Lecture Continuation: Details about setting up PyCharm and first Python program

Variables and Input/Output

Variables Introduction

• Definition: Store data temporarily
• Types: Integers, Floats, Strings, Booleans
• Syntax:

  price = 10
  name = 'Mosh'
  is_new = True
  

• Updating Variable Values:

  price = 20
  

• Exercise: Program to define patient details
  • Variables: name, age, is_new

User Input

• Function: input() - Used to receive input data

  name = input('What is your name?')
  print(name)
  

• Exercise: Program to ask name and color, and print message

Data Types

• Numbers: Integers and Floats
• Strings:
  • Multiple Strings
  • Substrings
  • Concatenation
  • Exercise included

Arithmetic Operations

Basics

• Operators: Addition, Subtraction, Multiplication, Division

  print(10 + 3)
  

• Order of Operations:
  • **Multiplication first then addition/
• Exercise on Operator Precedence

Augmented Assignment Operator

• Example:

  x = 10
  x += 3
  

Functions

Creating Functions

• Syntax:

  def greet_user():
       print(