Most Frequent Character Program Plan: • Declare a function named “findFrequentCharacter()” that accepts a string “my_string” as input. Inside the function, ○ Create a list variable “countList” to store the frequency of all alphabets. ○ Use the “for” loop to process all the characters in the “my_string” to check for frequency. ○ Inside the “for” loop, ■ Check if the current character “ch” is the alphabet. ■ If so, then find the ASCII value of the character and store it in “n”. ■ Check if the ASCII value of the character indicates the uppercase alphabet. ■ If the condition is true, then find the index of the character in the “countList” by subtracting “65” from “n”. ■ If the condition fails, then ASCII value of the character indicates the lowercase alphabet. ■ Thus, find the index of the character in the “countList” by subtracting “97” from “n” value and store it in “n”. ■ Using the “n” as the index, increment the value at “n” in the “countList” by “1”. ○ After processing all the characters in the “my_string”, declare a variable “maxVal” to hold the highest value of occurrences. ○ Also, declare a variable “maxValPos” to hold the position of the “maxVal” in the “countList”. ○ Use the “for” loop to find the highest value in the “countList”. ○ Inside the “for” loop, ■ Check if the current value is higher than “maxVal”. ■ If so, then update the “maxVal” with the current value and update the “maxValPos”. ○ Convert the “maxVal” into the ASCII value by adding “97” with it. ○ After that, convert the “maxVal” into character and return it. • Declare a function named “main()”. Inside the “main()” function, ○ Get a string from the user and store it in “my_string” variable. ○ Call the function “findFrequentCharacter()” and pass “my_string” as input to the function and store the return value in “frequentCharacter”. ○ Display the “frequentCharacter” using the “print()” function. • In the last, call the function “main()” to execute the program.

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Chapter 8, Problem 10PE

Program Plan Intro

Most Frequent Character

Program Plan:

• Declare a function named “findFrequentCharacter()” that accepts a string “my_string” as input. Inside the function,

○ Create a list variable “countList” to store the frequency of all alphabets.

○ Use the “for” loop to process all the characters in the “my_string” to check for frequency.

○ Inside the “for” loop,

■ Check if the current character “ch” is the alphabet.

■ If so, then find the ASCII value of the character and store it in “n”.

■ Check if the ASCII value of the character indicates the uppercase alphabet.

■ If the condition is true, then find the index of the character in the “countList” by subtracting “65” from “n”.

■ If the condition fails, then ASCII value of the character indicates the lowercase alphabet.

■ Thus, find the index of the character in the “countList” by subtracting “97” from “n” value and store it in “n”.

■ Using the “n” as the index, increment the value at “n” in the “countList” by “1”.

○ After processing all the characters in the “my_string”, declare a variable “maxVal” to hold the highest value of occurrences.

○ Also, declare a variable “maxValPos” to hold the position of the “maxVal” in the “countList”.

○ Use the “for” loop to find the highest value in the “countList”.

○ Inside the “for” loop,

■ Check if the current value is higher than “maxVal”.

■ If so, then update the “maxVal” with the current value and update the “maxValPos”.

○ Convert the “maxVal” into the ASCII value by adding “97” with it.

○ After that, convert the “maxVal” into character and return it.

• Declare a function named “main()”. Inside the “main()” function,

○ Get a string from the user and store it in “my_string” variable.

○ Call the function “findFrequentCharacter()” and pass “my_string” as input to the function and store the return value in “frequentCharacter”.

○ Display the “frequentCharacter” using the “print()” function.

• In the last, call the function “main()” to execute the program.

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