Lecture Notes on 23 Jan 2025

* Structure of Python

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

* Characterset: ASCII / Unicode

* Variables: 
  - must begin with a letter or underscore
  - can be followed by zero or more letters, digits, and underscores
  - cannot be a reserved word

* Types - int, float, str, bool

* Simple assignment statements

* Operators
  - arithmetic: + - * / // % **
  - comparison: < <= > >= == !=
  - boolean: not, and, or
  - bitwise: ~, &, |, ^
  - shift: << >>

* Conditionals: if-else, if-elif-else

* Loops: while, for

* Functions
  - built-in
  - libraries: math, random, sys
  - user defined

* Lists: 1-D, 2-D

* Tuples, Sets, Dictionaries

* Simple Input / Output
  - console: input, print
  - file

* Class