Lecture Notes on 26 Jan 2022

* Write the Hello World program
def main():
  print ("Hello World!")
main()

* Characterset - ASCII & Unicode

* Variables
  - start with a letter or underscore
  - it can be followed by n letters, digits, and underscores
  - it cannot be a reserved words

* Types - int, float, str, bool

* Statements and Expressions

* Assignment statements

* Operators
  - Arithmetic: + - * / // % **
  - Comparison: < <= > >= == !=
  - Boolean: not, and, or
  - Bitwise: ~ & | ^
  - Shift: << >> 

* Conditonals: if-else, if-elif-else

* Loops: for, while

* Functions:
  - built-in
  - libraries
  - user defined

* Lists: 1-D, 2-D
 
* Tuples, Sets, Dictionaries

* Input / Output - console, file

* Class