startnumber = int(input("What number do you want to start with? "))
endnumber = int(input("What number do you want to end with? "))
numbperline = int(input("Enter amount of numbers per line: "))
for number in range((endnumber + 1) - startnumber):
    print("{:3}".format(startnumber), end=" ")
    startnumber += 1
    if startnumber % numbperline == 0:
        print()