#Define the main function
def main():
    # create a variable to control the loop
    keep_going = 'y'
    
    # create a counter for salesperson's
    number_of_salespersons = 0
    
    # process each salesperson's sales
    while keep_going == 'y' or keep_going == 'Y':

        # use a function to process each salesperson
        process_salesperson()

        number_of_salespersons += 1

        # are there more salesperson's?
        keep_going = raw_input('Are there more salespeople? (enter y for yes): ')

    # display the total number of salespeople
    print "There were", number_of_salespersons, "salesperson's."
    
    
    
def process_salesperson():
    # get the salesperson's name
    name = raw_input("What is the salesperson's name? ")

    # input the first sale amount
    print 'Enter', name + "'s first sale amount:",
    first_sale_amount = input()
    
    # validate the sale amount is  > $1 and < $25000
    while first_sale_amount < 1:
        print "ERROR: the sale amount must be between $1 and $25000."
        first_sale_amount = input("Please enter a correct sale amount: ")
        
    while first_sale_amount > 25000:
        print "ERROR: the sale amount must be between $1 and $25000."
        first_sale_amount = input("Please enter a correct sale amount: ")
        
    # intialize average, highest, and lowest sale amount
    total_sales = first_sale_amount
    highest_sale = first_sale_amount
    lowest_sale = first_sale_amount
    
    # get the number of sales for this person
    print 'How many sales did', name, 'have?',
    number_of_sales = input()
    
    for number in range(2, number_of_sales + 1):
        # get the sale amount
        print 'Enter', name + "'s amount for sale #" + str(number) + ':', 
        sale_amount = input()
        
        # validate the sale amount is  > $1 and < $25000
        while sale_amount < 1:
            print "ERROR: the sale amount must be between $1 and $25000."
            sale_amount = input("Please enter a correct sale amount: ")
        
        while sale_amount > 25000:
            print "ERROR: the sale amount must be between $1 and $25000."
            sale_amount = input("Please enter a correct sale amount: ")
            
        # accumulate the sales
        total_sales += sale_amount

        # check for highest sale
        if sale_amount > highest_sale:
            highest_sale = sale_amount

        # check for lowest sale
        elif sale_amount < lowest_sale:
            lowest_sale = sale_amount
            
    # compute average sale
    average_sale = float(total_sales) / number_of_sales
    
    # display the average, highest, and lowest sales
    print
    print name + "'s average sale was: \t $%6.2f" % average_sale
    print name + "'s highest sale was: \t $%6.2f" % highest_sale
    print name + "'s lowest sale was: \t $%6.2f" % lowest_sale
    print

# call the main function
main()