Reading assignment
Readings in the "Think Python 2e" book for CIS 40
  Unit 8 - File I/O and Strings
  (divided into two sub-topics)
Files
  Chapter 9  Case study: word play
  9.1  Reading word lists
  
Chapter 14  Files
14.1  Persistence
14.2  Reading and writing
Note: The text has less material than the slides.
Focus on the slides to learn file processing.
Strings
  Chapter 2  Variables, expressions and statements
  2.6  String operations
  
Chapter 8  Strings
8.1  A string is a sequence
8.2  len()
8.8  String methods