Summary
Highlights
Course Introduction00:00:00
The course teaches Python from basics to advanced levels, enabling its use in AI, machine learning, web development, and automation. No prior Python knowledge is required.
Why Python?00:01:06
Python is versatile and used in data analysis, AI, machine learning, web/mobile/desktop apps, automation, and hacking. It offers high career prospects and salaries.
Python Versions and Instructor Intro00:02:19
The course focuses on Python 3. The instructor, Mosh Hamadani, introduces himself and his extensive experience in teaching programming.
Installing Python00:02:44
Instructions on how to download and install the latest version of Python from python.org, including the importance of adding Python to PATH on Windows. Verification steps are included for both Windows and Mac.
Python Interpreter and Expressions00:04:31
Explanation of the Python interpreter and how it executes code, including the concept of expressions and syntax errors. Interactive shell usage is demonstrated.
Code Editors vs. IDEs00:05:57
Discussion on code editors (VS Code, Atom, Sublime) and IDEs (PyCharm). The course uses VS Code, and will convert it into a powerful IDE with plugins.
Setting up VS Code00:06:34
Guidance on creating a project folder, adding a Python file (app.py), and writing basic code using the `print` function.
Running Python Code in VS Code00:07:27
Instructions on using the integrated terminal in VS Code to execute Python code, including examples of printing text and repeating characters.
Converting VS Code to an IDE00:08:36
Explanation of how to use the Python extension in VS Code for linting, debugging, autocompletion, code formatting, unit testing, and code snippets.
Installing the Python Extension00:09:01
Steps to install the official Python extension from Microsoft in VS Code, which provides various features for Python development.
Linting in Action00:09:37
Demonstration of linting, showcasing how the Python extension identifies potential errors in code using Pylint. Includes examples of missing parentheses and invalid syntax.
Problems Panel and Shortcuts00:10:36
How to use the problems view in VS Code to show all code issues in one place and introduces useful shortcuts, like the command palette.
Code Formatting with AutoPep800:11:46
Introduction to Pep 8, the style guide for Python code, using AutoPep8 extension to automatically format code according to Pep 8 standards.
Automatic Formatting on Save00:12:47
How to enable automatic code formatting on save in VS Code to maintain code style consistency.
Different Ways to Run Python Code00:13:12
Explains how to run Python code using the terminal and the VS Code play button. Also, creating a shortcut to run python file.
Python Language vs. Implementation00:14:03
Explanation of the difference between the Python language specification and various Python implementations like CPython, Jython, and IronPython.
How CPython Executes Python Code00:15:23
A description of how CPython compiles Python code into bytecode and then uses the Python Virtual Machine to convert it into machine code for execution.
Review Quiz00:16:46
A quick quiz to reinforce concepts covered, including expressions, syntax errors, and the role of a linter.
Introduction to Variables00:18:06
Explanation of variables, how they store data in memory, and their role in programming. Examples of different data types like integers, floats, booleans, and strings are showcased.
Good Variable Naming Practices00:19:19
Discussion of best practices for naming variables, including using descriptive names, lowercase letters, underscores for readability, and spacing around the assignment operator.
Strings in Detail00:21:09
Exploration of strings, including different types of quotes, built-in functions like `len()`, and accessing/slicing strings using bracket notation.
Escape Sequences00:22:56
How to use escape sequences (like \", \', \\, \n) to include special characters in strings.
Formatted Strings00:24:02
Introduction to formatted strings (f-strings) for creating dynamic strings with embedded expressions.
String Methods00:25:11
Overview of useful string methods like `upper()`, `lower()`, `title()`, `strip()`, `find()`, `replace()`, and the `in` operator.
Numbers in Python00:27:59
Overview of different types of numbers with examples and arithmetic operators.
Math Module00:28:55
Demonstration of using the math module in Python and its functions, such as `seal()`.
Getting Input from the User00:29:57
Shows the `input()` function to get input from the user and the importance of converting the input to the correct type.
Truthy and Falsey Values00:31:48
Explanation of truthy and falsey values. Empty strings, the number zero and the `None` object are falsey.
Section Quiz00:33:24
A quick quiz which covers built-in types, accessing strings and results of modulus operations.
Comparison Operators00:35:21
Explains various comparison operators in Python, including their usage with numbers and strings. It highlights the distinction between strings and numeric values.
Conditional Statements00:36:53
Demonstrates the usage of 'if', 'elif', and 'else' statements for decision-making in programs, focusing on the correct indentation and code structure.
Cleaner Way to Write Conditionals00:38:38
Describes a cleaner or more concise way to assign variable values based on a conditional statement, using the ternary type of syntax.
Logical Operators00:39:27
Explains the use of logical operators ('and', 'or', 'not') to create more complex conditional statements, including examples of loan applications and student status checks.
Short Circuiting00:41:41
Explains how the evaluation of logical expressions in Python is short-circuited to optimize CPU usage.
Chaining comparison operators00:42:49
Showcase the cleaner syntax for chaining comparison operators using math expressions.
Section Quiz00:43:38
A quick quiz to test knowledge on if/else short circuit evaluation.
For Loops00:45:00
Instructions on using 'for' loops to repeat tasks, including sending messages to a user multiple times and breaking out of the loop after success.
Loops with Break00:47:10
Explanation on how to jump out of the loops using 'break'. How for loops can have else.
Nested Loops00:48:31
Introduction to nested loops, demonstrating how to use one loop inside another to create patterns and coordinate systems.
Iterable Objects00:50:18
Explains how to iterate over iterable objects like range objects, strings, and lists using 'for' loops, and previews the creation of custom iterable objects.
While Loops00:52:30
Details the use of 'while' loops to repeat tasks as long as a specific condition is met, including building a command prompt interface with a quit command.
Infinite Loops00:55:01
Explains how infinite loops work what should be done to avoid them.
Section Exercise00:56:38
An exercise using a for loop to iterate over numbers, checking if they're even numbers and keeping track of the count for future printing to the console.
Defining a Function00:58:11
Explains how to define custom functions using the 'def' keyword, following coding best practices, and how to pass parameters and arguments.
Function types - Tasks vs Values01:01:16
Explains better ways to write functions that return a value, instead of printing to the console.
Non Return Values01:03:41
Showcases how functions without a return value, return None by default.
Function with Values & Keyword Arguments01:04:43
Explanation of functions that calculate and return a value, how it should be assigned to parameters and showcase keyword arguments.
Optional Functions01:06:18
How to define optional arguments and that their order must be after required arguments.
Variable Number of Arguments01:07:28
Explains creating a function that takes a variable number of parameters. The use of asterisks with tuples.