Compsci 101, Fall 2012, Lab 7

By entering your name/net-id below you indicate you are present for Lab 7 to answer these questions and that you were part of the process that resulted in answers being turned in. 

Name: ______________    Net id: _____________ || Name: ______________    Net id: _____________

Name: ______________    Net id: _____________ || Name: ______________    Net id: _____________

Top 1000/.csv

  1. What do you see?
  2. What are the differences when you say to show 200 words instead of 50?
  3. Purpose of parameters delimeter and quotechar:
  4. Purpose of d[artist] = []?
  5. Explain the purpose both in terms of what the list comprehension below does and in how it fits with the other lines/list comprehensions in determining the top 30 artists. 
       tosort = [(len(t[1]),t[0]) for t in info]
    What's the purpose of the slice info[-30:]?
    What are the top 5 artists?

    SpeedDial

  6. Answer for first paper-pencil problem:
  7. Total number of key-presses with no speed-dial: total = sum([ ])
  8. Number of key-presses saved when a six-digit number is dialed 12 times and the number is put in a speed-dial slot? Why?
  9. List with save[i] being key-presses saved: saved =
  10. Which numbers go in speed-dial slots?
  11. Creating code for saved_presses: saved_presses =
  12. Last steps to solve APT:

    MemberCheck

  13. What are the contents (words) of cheat1?
  14. Three (two more) list variables
  15. Based on previous variables: 
       return sorted(                                                       )

    Customer Statistics

  16. Unique, sorted names on one line:
  17. Finished APT on paper.