Exercise 9.3 Parameter: An array of strings Return Value: A list of three strings that occur most frequently in the parameter array. Exercise 9.4...

Exercise 9.3•Parameter: An array of strings •Return Value: A list of three strings that occur most frequently in the parameter array. Exercise 9.4•Parameter: An array of numbers (pass by value) and two arrays (pass by reference)•Return Value: None.•Result: The first pass-by-reference parameter must have the values of the given array that are greater than zero; the second must have the values that are less than zero.Exercise 9.6•Parameter: A file variable of a file of text, where the words are separated by spaces or colons. •Return Value: The word that appears most often in the file. Exercise 9.7•Parameter: A string containing words that are delimited on the left with spaces and on the right with spaces, commas, periods, or question marks.•Return Value: The three most common words in the string that have more than three letters.