#13 == 3     equals
#3 != 3      does not equal
#3 >= 4      is greater than or equal
#not (3 < 4)  Finally, the not operator negates a Boolean value, so not (x > y) is True if (x > y) is False, that is, if x is
# less than or equal to y. In other words: not True is False, and not False is True.
