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Python CSC242 Correct Answers

Provides correct solutions for programming tasks related to Python in CSC242.

Lucy Gray
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Python CSC242Correct Answers1a. Write a non-recursive function vowels() that accepts a character string and counts andreturns the number of vowels (aeiou) in the string.1b. Write a recursive function rvowels() that accepts a character string andcounts and returnsthe number of vowels (aeiou) in the string. This solution should not include any loops. A globalvariable for the counter is acceptable. (Hint: one possible solution is to “chop” the string downuntil you are left with a single character.)1c. Using the test string ‘this is a test to see if my program can accurately count the vowels’and the time operation described in the book on page 371 in the function timing, time thenon-recursive solution and the recursive solution. Does this test provide any useable proof?Explain. Place both your functions into one file. Dropbox your Word document showing allcode and output, along with your Python file. In the Word document, include your answer tothe above question: Does this test provide any useable proof? Explain.2. Write a recursive function which accepts a string and its length and determines if the stringis a palindrome. A palindrome is a string that reads the same frontwards and backwards. Hint:compare the first character with the last character. Equal or not? Go from there.

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Document Details

University
University of Rochester
Course
CSC 242
Subject
Information Technology

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