Starting Out with Python Plus MyLab Programming with Pearson eText -- Access Card Package (4th Edition)
4th Edition
ISBN: 9780134543666
Author: Tony Gaddis
Publisher: PEARSON
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Chapter 8, Problem 11PE
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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Chapter 8 Solutions
Starting Out with Python Plus MyLab Programming with Pearson eText -- Access Card Package (4th Edition)
Ch. 8.1 - Assume the variable name references a string....Ch. 8.1 - What is the index of the first character in a...Ch. 8.1 - If a string has 10 characters, what is the index...Ch. 8.1 - Prob. 4CPCh. 8.1 - Prob. 5CPCh. 8.1 - Prob. 6CPCh. 8.2 - Prob. 7CPCh. 8.2 - Prob. 8CPCh. 8.2 - Prob. 9CPCh. 8.2 - What will the following code display? mystring =...
Ch. 8.3 - Prob. 11CPCh. 8.3 - Prob. 12CPCh. 8.3 - Write an if statement that displays Digit" if the...Ch. 8.3 - What is the output of the following code? ch = 'a'...Ch. 8.3 - Write a loop that asks the user Do you want to...Ch. 8.3 - Prob. 16CPCh. 8.3 - Write a loop that counts the number of uppercase...Ch. 8.3 - Assume the following statement appears in a...Ch. 8.3 - Assume the following statement appears in a...Ch. 8 - This is the first index in a string. a. 1 b. 1 c....Ch. 8 - This is the last index in a string. a. 1 b. 99 c....Ch. 8 - This will happen if you try to use an index that...Ch. 8 - This function returns the length of a string. a....Ch. 8 - This string method returns a copy of the string...Ch. 8 - This string method returns the lowest index in the...Ch. 8 - This operator determines whether one string is...Ch. 8 - This string method returns true if a string...Ch. 8 - This string method returns true if a string...Ch. 8 - This string method returns a copy of the string...Ch. 8 - Once a string is created, it cannot be changed.Ch. 8 - You can use the for loop to iterate over the...Ch. 8 - The isupper method converts a string to all...Ch. 8 - The repetition operator () works with strings as...Ch. 8 - Prob. 5TFCh. 8 - What does the following code display? mystr =...Ch. 8 - What does the following code display? mystr =...Ch. 8 - What will the following code display? mystring =...Ch. 8 - Prob. 4SACh. 8 - What does the following code display? name = 'joe'...Ch. 8 - Assume choice references a string. The following...Ch. 8 - Write a loop that counts the number of space...Ch. 8 - Write a loop that counts the number of digits that...Ch. 8 - Write a loop that counts the number of lowercase...Ch. 8 - Write a function that accepts a string as an...Ch. 8 - Prob. 6AWCh. 8 - Write a function that accepts a string as an...Ch. 8 - Assume mystrinc references a string. Write a...Ch. 8 - Assume mystring references a string. Write a...Ch. 8 - Look at the following statement: mystring =...Ch. 8 - Initials Write a program that gets a string...Ch. 8 - Sum of Digits in a String Write a program that...Ch. 8 - Date Printer Write a program that reads a string...Ch. 8 - Prob. 4PECh. 8 - Alphabetic Telephone Number Translator Many...Ch. 8 - Average Number of Words If you have downloaded the...Ch. 8 - If you have downloaded the source code you will...Ch. 8 - Sentence Capitalizer Write a program with a...Ch. 8 - Prob. 10PECh. 8 - Prob. 11PECh. 8 - Word Separator Write a program that accepts as...Ch. 8 - Pig Latin Write a program that accepts a sentence...Ch. 8 - PowerBall Lottery To play the PowerBall lottery,...Ch. 8 - Gas Prices In the student sample program files for...
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