Rewrite the following Python program using a dictionary instead of a list for the outcomeCounts. Your dictionary will have the outcome for the key and its corresponding tally as its value.

""" File: diceOutcomes.py Description: Rolls two dice 1,000 times to determine the outcome(s) with the highest percentage. """ from random import randint

# Global Constants DIE_SIDES = 6

def main(): """ Main program provides an outline of program """ numberOfRolls = welcomeAndInputRolls() mostFrequentRolls, highestCount = calculateFrequentRolls(numberOfRolls) displayResults(mostFrequentRolls, highestCount, numberOfRolls)

def welcomeAndInputRolls(): """ Displays welcome message for the user """ print("This program rolls two %d-sided dice many times to" % (DIE_SIDES)) print("determine the outcome(s) with the highest percentage.") print() numberOfRolls = int(input("How many times would you like to roll the pair of dice? ")) return numberOfRolls

def calculateFrequentRolls(numberOfRolls): """Rolls the dice the correct number of times, tallies the outcomes, and returns a list of outcomes with highest counts and highest count."""

# initialize outcomeCounts to all 0s. The index corresponds to the outcome # NOTE: index positions 0 and 1 are not possible outcomeCounts = [] for count in range(DIE_SIDES*2+1): outcomeCounts.append(0)

rollAndTallyOutcomes(outcomeCounts, numberOfRolls)

print(" outcomeCounts:",outcomeCounts) # For debugging

highestCount = max(outcomeCounts)

mostFrequentRolls = findOutcomes(outcomeCounts, highestCount)

print("mostFrequentRolls:", mostFrequentRolls, "and highestCount:",highestCount) # For debugging

return mostFrequentRolls, highestCount

def rollAndTallyOutcomes(outcomeCounts, numberOfRolls): """Rolls the dice the correct number of times and tallies the outcomes in the outcomeCounts list of tallies with the index being the outcome.""" while numberOfRolls > 0: die1 = randint(1,DIE_SIDES) die2 = randint(1,DIE_SIDES) outcomeSum = die1 + die2 outcomeCounts[outcomeSum] += 1 numberOfRolls -= 1

def findOutcomes(outcomeCounts, highestCount): """Returns a list of outcomes with the highest count.""" mostFrequent = [] i = 0 for count in outcomeCounts: if outcomeCounts[i] == highestCount: mostFrequent.append(i) i += 1 return mostFrequent

def displayResults(mostFrequentRolls, highestCount, numberOfRolls): """ Displays the outcome(s) with the highest percentage""" print("The highest percentage is %3.1f for outcome(s): " % (highestCount*100/numberOfRolls), end="") for index in range(len(mostFrequentRolls)): print(mostFrequentRolls[index], end=" ") print() main()