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 9, Problem 12PE
Program Plan Intro

Random walk

Program Plan:

  • Import the header file.
  • Define the main method.
    • Call the “printIntro ()” method.
    • Get the input from the user.
    • Call the “avgSteps ()” method and store it in a variable.
    • Display the result.
  • Define the “printIntro ()” method.
    • Display the messages.
  • Define the “avgSteps ()” method.
    • Set the value
    • Iterate “i” till it reaches 1000
      • Call the “simNSteps ()” method
      • Calculate the “totTravel”
        • Check “totTravel” is equal to 0
          • Set the value
        • Otherwise, calculate the “avgTravel”
        • Return the result.
  • Define “simNSteps ()” method
    • Set the value
    • Iterate “i” till it reaches “n”
      • Calculate “x” value
        • Check “x” is greater than 0
          • Increment the “steps” value
        • Check “x” is less than 0
          • Decrement the “steps” value
        • Otherwise, set the value
        • Return the result.
  • Call the main method.

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