Question

You have been asked to write a program for the Duckie's Obstacle Race. The program calculates the total number of racers, the fastest race time, the slowest race time, and the overall average race time.

Ask user to enter the maximum number of racers allowed for the race
Use repetition structure (loop) to ask the user to enter race times (in minutes)
Exit the loop if the user specifies there are no more times to enter (sentinel value) or if the maximum number of racers allowed has been reached
At a minimum, within the loop, you should keep track of how many race times are entered, the fastest race time and the slowest race time.
After the loop is exited, display how many race times were entered, the fastest race time, the slowest race time and the overall average race time.
Format your output appropriately
Be sure to include all appropriate documentation at the start of the program and within the program body

Answer 1

The program illustrates the use of loops and conditional statements

• Conditional statements are used to make decisions
• Loops are used for operations that must be repeated until a certain condition is met.

The race program

The program written in Python, where comments are used to explain each action is as follows:

#This initializes the variables to 0

totalRaceTime = 0; minRaceTime = 0; maxRaceTime = 0; countTimes = 0

#This gets input for the number of race times

numTimes = int(input("Number of times: "))

#This opens a sentinel controlled loop

while countTimes < numTimes:

   #This gets the race time

   raceTime = int(input("Race time: "))

   if countTimes == 0:

       minRaceTime = raceTime

       maxRaceTime = raceTime

   #This determines the highest race time

   if raceTime > maxRaceTime:

       maxRaceTime = raceTime

   #This determines the leest race time

   if raceTime < minRaceTime:

       minRaceTime = raceTime

   #This determines the total race time

   totalRaceTime+=raceTime

   countTimes+=1

#This prints the highest race time

print("Maximum: ",maxRaceTime)

#This prints the least race time

print("Minimum: ",minRaceTime)

#This prints the average race time

print("Average: ",round(totalRaceTime/numTimes,2))

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