#pre-define the number of presidents to request the user to input in the range
number_of_additional_presidents = 4
presidents = ["Clinton", "Bush", "Obama", "Trump"]
def main():
    #initiate the assignment with a list of our 4 most recent presidents

#request user to insert the name of 4 additional presidents to be added to our table
    for yourpresidents in range(number_of_additional_presidents):
        s = (input('Enter the name of another president '))
        presidents.append(s)


#for aesthetic reasons, line breaker, aswell as a title
    print()
    print("Here is your list of presidents, sorted:")
    print()

#sort your list of presidents and print
def printPresidents():
    presidents.sort()
    for i in range(len(presidents)):
        print(presidents[i])

main()
printPresidents()