Lecture Notes on 28 Aug 2020

* Install Python3 and learn how to run your programs from
  the command line:
https://www.cs.utexas.edu/users/mitra/csFall2020/cs313/start.html

Learning Python

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

* Characterset: ASCII and Unicode

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

* Types - int, float, bool, str
   
* Statements and Expressions

* 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, os
  - user defined

* Lists: 1-D, 2-D, n-D

* Tuples, Sets, Dictionaries

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

* Class