Python Programming: An Introduction to Computer Science, 3rd Ed.
Python Programming: An Introduction to Computer Science, 3rd Ed.
3rd Edition
ISBN: 9781590282755
Author: John Zelle
Publisher: Franklin, Beedle & Associates
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Chapter 11, Problem 1PE
Program Plan Intro

Modified statistics program

Program plan:

  • Import the necessary modules.
  • Define the “mean()” function,
    • Returns mean value to the caller.
  • Define the “StdDev()” function,
    • Returns standard deviation value to the caller.
  • Define the “meanStdDev()” function,
    • Returns average standard deviation value to the caller.
  • Define the “median()” function,
    • Returns median value to the caller.
  • Define the “main()” function,
    • Get comma separated values from the user.
    • Separate the value based on “,” using “split()”.
    • Create a “for” loop to iterate over comma separated values.
      • Assign the value.
        • Print the options.
        • Create sentinel loop to get numbers.
        • Prompts the user for the type of operation to perform.
        • Check whether the operation is “Avg” using “if” .
          • If it is true, print mean value return from “mean()” function.
        • Otherwise, check whether the operation is “Med” using “elif”.
          • If it is true, print median value return from “median()” function.
        • Otherwise, check whether the operation is “Std” using “elif”.
          • If it is true, print standard deviation return from “stdDev()” function.
        • Otherwise, check whether the operation is “AvgStd” using “elif”.
          • If it is true, print average standard deviation value return from “meanStdDev()” function.
        • Otherwise, check whether the operation is empty (‘ ‘)using “elif”.
          • If it is true, use “break” to exit.
          • Otherwise print “Please try again”.
  • Call the “main()” function.

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