def main():
    totalPints = 0
    averagePints = 0
    highPints = 0
    lowPints = 0
    counter = 0
    pints = [0] * 7
    pints = getPints(pints)
    totalPints = getTotal(pints)
    averagePints = getAverage(totalPints)
    highPints = getHigh(pints)
    lowPints = getLow(pints)
    displayInfo = displayInfo(averagePints, highPints, lowPints)

    endProgram = input('Do you want to end program? (Enter no or yes): ')
    while not (endProgram == 'yes' or endProgram == 'no'):
        print ('Please enter a yes or no')
    endProgram = input('Do you want to end program? (Enter no or yes): ')

def getPints(pints):
    counter = 0
    while counter < 7:
        numEntered = input('Enter pints collected: ')
        pints[counter] = int(numEntered)
        counter = counter + 1
    return pints

def getTotal(pints):
    totalPints = 0
    counter = 0
    while counter < 7:
        totalPints = totalPints + pints[counter]
        counter = counter + 1
    return totalPints

def getAverage(totalPints):
    averagePints = float(totalPints) / 7
    return averagePints

def getHigh(pints):
    highPints = pints[0]
    counter = 1
    while counter < 7:
        if pints[counter] > highPints:
            highPints = pints[counter]
    counter = counter + 1   
    return highPints

def getLow(pints):
    lowPints = pints[0]
    counter = 1
    while counter < 7:
        if pints[counter] < lowPints:
            lowPints = pints[counter]
    counter = counter + 1   
    return lowPints

def displayInfo(averagePints, highPints, lowPints):
    print("The Average collected is: ", averagePints)
    print("The High Volume collected is: ", highPints)
    print("The Low Volume collected is: ", lowPints)

main()

Enter pints collected: Traceback (most recent call last):
  Line 63, in <module>
    main()
  Line 8, in main
    pints = getPints(pints)
  Line 23, in getPints
    numEntered = input('Enter pints collected: ')
EOFError