Session Details

Week 2, Session 5 — Tue Mar 16

Reading

1. 4.1-4.5
   (28 pages)

HW Due

1. HW 4
   Programming part of HW 4 is due Wednesday at noon; other parts due today (Tuesday)

Topics

1. A software development exercise: Analyze, Specify, Design, Implement, Test, Maintain
2. Character String operations, encodings
3. String formatting using %

Outline

1. [10 min] Hand-back quizzes, discuss questions, do review question on Lists.
2. [15 min] Software development class exercise, the Month-Day problem
   • Analyze the problem
   • Determine the specifications
   • Create a design
   • Implement the design
   • Test/debug the implementation
   • Maintain the software
3. [7 min] Strings
   • Representing Strings: the ord and chr functions
   • Encodings: ASCII, extended ASCII, Unicode
   • Formatting with the % operator
4. [3 min] The input and raw_input functions
5. [5 min] File open, close, read, write
6. [15 min] Exercise on writing to and reading from files
7. [5 min] Break
8. [35 min] Go, Robot, Go! exercise
9. [10 min] Begin homework

Resources

1. Slides: Strings and Files

HW Assigned

1. HW 5