Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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In this lab, you write a while loop that uses a sentinel value to control a loop in a Python program. You also write the statements that make up the body of the loop.

The source code file already contains the necessary assignment and output statements. Each theater patron enters a value from 0 to 4 indicating the number of stars that the patron awards to the Guide’s featured movie of the week. The program executes continuously until the theater manager enters a negative number to quit. At the end of the program, you should display the average star rating for the movie.

Instructions

  1. Make sure the file MovieGuide.pyis selected and open.
  2. Write thewhile loop using a sentinel value to control the loop, and also write the statements that make up the body of the loop.
  3. Execute the program by clicking the Run button at the bottom of the screen.
    • Input the following as star ratings: 0, 3, 4, 4, 1, 1, 2, -1
  4. Ensure that the average output is correct.

 

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