Outline for April 27, 2014

1. Homework #2, including extra credit
   1. Due date extended to May 9, 2014 (an extra week)
   2. How to do montyalways()
2. Handling exceptions (con’t)
   1. Exceptions in a function: who handles them? [except5.py][except6.py]
   2. Using global variables as error flags [except6a.py]
   3. raise [except7.py]
3. Common exceptions
   1. ZeroDivisionError — attempt to divide (or take the remainder of) something by 0
   2. TypeError — operation or function applied to operand of wrong type
   3. SyntaxError — Python parser encountered a malformed statement
   4. NameError — local or global name is not found
   5. ValueError — built-in function or operation applied to operator with illegal value
   6. EOFError — input function encounters an end of file
   7. Keyboard Interrupt — user hit the interrupt key (usually control-C)
4. Review
   1. See Midterm Study Guide