itsmehara/solaris

Python Learning & Sample Codes

Learning Notes

Notes:

* Intro to python
* Python Flavors and py versions
* Editors
* print prog
* variables
* globals, locals, scope
* operators
   * Arithmetic operators 
   * Assignment operators 
   * Comparison operators
   * Logical operators
   * Identity operators ( is, is not )
   * Membership operators ( in, not in )
   * Bitwise operators 
* loops( for, while )
* conditional statements ( if, else, elif )
* lambda functions
* Dictionary
* indexing with lists, tuple, string
* negative indexing
* builtin functions
   * print 
   * input
   * type
   * dir
   * id
   * hash
   * isinstance
   * int, float, tuple, list,...   
   * len
   * sum
   * ...
   * ...
* functions
   * simple functions
   * func with args
   * func returns value/s
   * func with default args
   * func return multiple values
   * func with variable number of args
   * func with key word args
* entry point of python code.
* python main entry point/ main function
* *args, **kwargs
* list comprehensions
* dictionary comprehensions
* opening files
* Intro on Generator

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• Some more builtin functions
• Some Builtin Modules, custom file modules, folder modules
• File operations (text, json, csv, excel)
• Generator, iterator
• Object Oriented Programming in python
  • class
  • method
  • self
  • constructor, destructor,
  • inheritance, polymorphism, data hiding

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Useful Links for Python Learning.

• http://python.org/
• https://www.w3schools.com/python/
• https://www.tutorialspoint.com/python/index.htm
• https://www.datacamp.com/courses/intro-to-python-for-data-science
• https://stackoverflow.com/questions/tagged/python
• simpli-learn: https://www.youtube.com/watch?v=rKaN8JC70Iw&list=PLEiEAq2VkUUKoW1o-A-VEmkoGKSC26i_I

Best online editors

[there are many best. I am using only 3 of these following]

• https://coderpad.io/pads
• https://www.tutorialspoint.com/execute_python3_online.php
• https://repl.it/languages/python3