Third Practicum: Friday, April 28th
  - Start Time: 2:45 p.m.
 
  - End Time: 3:35 p.m. 
 
  - The exam will emphasize the following libraries: numpy, matplotlib
      and pandas.  Reviewing the following lecture days will be especially
      helpful: 4/3, 4/4, the week of 4/10 and the week of 4/17.
 
  - To answer a question, you might need to build on knowledge
      that you learned previously.
 
  - You may bring one 8.5 inch by 11 inch sheet of double-sided notes. 
 
  - You may use a computer to develop your answers.  
      You may only use the internet to access the interactive python textbook, 
      any online python documentation or previous python programs 
      that you (or you and your partner) wrote for this course.
 
  - To be successful on the exam, strive to understand the
      Python material and be able to use it to solve small problems.
 
NumPy Practice
  Review all materials from 4/3 and 4/4.
Visualization Practice
  Use pandas and matplotlib to visualize the data that 
  appears in warriors.csv.