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 3PE
Program Plan Intro

Recursive Lines

Program Plan:

  • • Define the “main()” function:
    • ○ Get the input from the user and store it to the variable “n”.
    • ○ Call the function “recurLines()” and pass the argument “n”.
  • • Define the “recurLines(n)” function:
    • ○ Check the value of “n”.
      • ■ If it is greater than “0”, then call the function “recurLines()” recursively along with the decremented value of “n”.
      • ■ Display the result on the output screen.
  • • Call the “main()” function.

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Students have asked these similar questions
3. Recursive Lines Write a recursive function that accepts an integer argument, n. The function should display n lines of asterisks on the screen, with the first line showing 1 asterisk, the second line showing 2 asterisks, up to the nth line which shows n asterisks.
Recursive PrintingDesign a recursive function that accepts an integer argument,n , and prints the numbers 1 up through n .
Recursive Power FunctionWrite a function that uses recursion to raise a number to a power. The function should accept two arguments: the number to be raised and the exponent. Assume that the exponent is a nonnegative integer. Demonstrate the function in a program. SAMPLE RUN #0: ./recursiveExponent         Hide Invisibles Highlight: Show Highlighted Only  2^3=8↵ 2^4=16↵ 3^3=27↵ 6^3=216↵ 7^7=823543↵ 10^9=1000000000↵

Chapter 12 Solutions

Starting Out with Python (4th Edition)

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