Python Tutorial

This tutorial repo would be my journey of learning Python. I will add or update the repo as i learn more.

1. Requirement

• Download Python version >= 3.10 for osx or install using brew. It will install python in folder /Library/Frameworks/Python.framework/Versions/3.10/bin or /opt/homebrew/Cellar/python@3.10

• Check if python3 and pip3 can be called anywhere. pip3 is a package manager for python

If python 3 would be default python version, put it as shell alias for easier call. Below python or pip i write refer to alias version 3.

alias "python=/opt/homebrew/opt/python@3.10/bin/python3"
alias "pip=/opt/homebrew/opt/python@3.10/bin/pip3"

• Install requirement packages used in this tutorial pip install aiohttp more-itertools pytz

  [TODO] put it inside requirement.txt

• Optional to enable python linting pip install -U pylint

2. Running Tutorial

If you use VSCode, just open a python file and press play button on top right of vscode editor to run file in terminal.

Make sure to install Microsoft Python VSCode Extension first.

To run manually on terminal: python src/basic/file.py

3. Basic of Python

src/basic

No	Name	Description
1	Variables	Introduction to python comment, variable, print to console and var assignment
2	Type	How to use and create python data type
3	Function	Define and call function
4	Exception Handling	[TODO] How to handle error or exception
5	Class	OOP
6	Abstract Class	OOP - Contract interface
7	Generic Class	Using generic data type in class
8	Decorator	Extend function using Meta programming
9	Data Class	Enhance class with special decorator
10	Comprehension	Creating list based on based on existing list. For one liner lover :)
11	Functional Programming	Lambda, Closure, Map, Filter, Reduce
12	Date Time	Date and Time manipulation and formatting
13	Database	How to read and write from database
14	Iterator	Traversing oject values
15	Generator	Iterator in Lazy version
16	Asynchronous	Write concurrent code using asyncio
17	Async Http Request	Write asynchronous http request
18	Serialization JSON	Handle json data
19	Serialization Pickle	Serializing and de-serializing Python object structures
20	Multi Threading	Pararrel processing using Multi Threading (MT) and Multi Process (MP)
21	Regex	Regular Expression

4. Unit Test

How to write unit testing in python

5. Leet Code

Practice solving leet code using python

No	Name	Description
1	Two Sum Problem	Sum of two int element in a list match to the target int
2	Consecutive Chars	Count consecutive repeated chars from a string and return in a List of Dictionary
3	First Duplicate Number	Find value of duplicate number found in a list with shortest occurrance index
4	First Unique Char	Find first unique char in a string (non repeating char)