Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
4th Edition
ISBN: 9780134444321
Author: Tony Gaddis
Publisher: PEARSON
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Chapter 12, Problem 7PE
Program Plan Intro

Recursive Power Method

Program Plan:

  • • Global variable declaration:
    • ○ Initialize the variable “minimum” as “1”.
    • ○ Initialize the variable “maximum” as “100”.
  • • Define the “main()” function:
    • ○ Initialize the variable “number” as “0”.
    • ○ Initialize the variable “exp” as “0”.
    • ○ Get the input from the user and store it to the variable “number”.
    • ○ Check the value of “exp”
      • ■ If it is less than “minimum” or greater than “maximum”, then get the exponent “exp” from the user.
        • ○ Call the function “recursivePower()” and pass the two arguments “number” and “exp”.
        • ○ Display the result on the output screen.
  • • Define the “recursivePower(x, y)” function:
    • ○ Check the value of “y”.
      • ■ If it is equal to “0”, then returns is “1”.
      • ■ Otherwise, call the function “recursivePower()” recursively along with the arguments “x” and the decremented value of “y”.
      • ■ Display the result on the output screen.
  • • Call the “main()” function.

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Chapter 12 Solutions

Starting Out with Python (4th Edition)

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