Problem Solving: In Python, a problem can be divided into smaller parts only if it has an identical structure to the whole problem. Then, it can be solved using recursion. Working method of recursive function: A recursive function has two approaches. They are as follows: If a problem can be solved currently without using recursion, then use function to solve it and returns. If a problem cannot be solved currently, then the function reduces the problem into smaller parts only if it has a similar structure to the whole program. And the function calls itself to solve the sub-parts. Problem cases: In order to apply the above approaches into the program for solving it, then it is important to identify the problem case. There are two cases available in problem solving. They are base case and recursive case.

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Chapter 12, Problem 3MC

Program Plan Intro

Problem Solving:

In Python, a problem can be divided into smaller parts only if it has an identical structure to the whole problem. Then, it can be solved using recursion.

Working method of recursive function:

A recursive function has two approaches. They are as follows:

If a problem can be solved currently without using recursion, then use function to solve it and returns.

If a problem cannot be solved currently, then the function reduces the problem into smaller parts only if it has a similar structure to the whole program. And the function calls itself to solve the sub-parts.

Problem cases:

In order to apply the above approaches into the program for solving it, then it is important to identify the problem case. There are two cases available in problem solving. They are base case and recursive case.

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CodeWorkout Gym Course Search exercises... Q Search kola shreya@columbus X275: Recursion Programming Exercise: Check Palindrome X275: Recursion Programming Exercise: Check Palindrome Write a recursive function named checkPalindrome that takes a string as input, and returns true if the string is a palindrome and false if it is not a palindrome. A string is a palindrome if it reads the same forwards or backwards. Recall that str.charAt(a) will return the character at position a in str. str.substring(a) will return the substring of str from position a to the end of str,while str.substring(a, b) will return the substring of str starting at position a and continuing to (but not including) the character at position b. Examples: checkPalindrome ("madam") -> true Your Answer: 1 public boolean checkPalindrome (String s) { 4 CodeWorkout © Virginia Tech About License Privacy Contact

Consider the following pseudo code, Method func() { PRINT “This is recursive function" func() } Method main( { func() } What will happen when the above snippet is executed?