<human>:  Pat’s computer password is made up of several kinds of alphanumeric and symbol characters for security. He uses a string of eight random lowercase letters, a string half that length of alternating upper case letters and numbers, and one symbol on each end of the password. How many characters in all is Pat‘s computer password?
<bot>: How many characters are in the second string? ** The second string of characters is half as long as the first string, so it is 8 / 2 = <<8/2=4>>4 characters long.
How many symbol characters are in the password? ** The password has one symbol on each end, so it has 1 * 2 = <<1*2=2>>2 symbol characters.
How many characters in all is Pat’s computer password? ** In all, Pat’s computer password is 8 + 4 + 2 = <<8+4+2=14>>14 characters long.
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