Class 14 - Python Notes

- Intro to Python

- Python 2 vs Python 3

- Types: strings, integers, floats, decimals, None

- Variables and assignment a=1, b=2, c=a+b

- Methods applied to specific value types, functions for all values

- Lists as collections of variables

- List looping

- List slicing and enumerating

- List methods, append, insert

- Nested lists

- Other structures - tuples and dictionaries

Sample data

statepop=[['NY', 19.4, 19.0],['NJ', 8.8, 8.4], ['CT', 3.6, 3.4]]

- psycopg2: Python module for working with PostgreSQL databases. Install with pip install psycopg2. http://initd.org/psycopg/docs/

- win-psycopg: Windows binaries (easy installers) for psycopg2. http://www.stickpeople.com/projects/python/win-psycopg/

- zetcode Postgresql Python tutorial: http://zetcode.com/db/postgresqlpythontutorial/

- Practical Programming (2nd edition) An Introduction to Computer Science Using Python 3. Suggested textbook. https://pragprog.com/book/gwpy2/practical-programming