Write a Perl program that determines SNPs from a multiple sequence alignment
and outputs each SNP and its position. For example if the input is

>s0
ACCCTGTATAAC
>s1
ACCGTGTACAAC
>s2
ACCCTGTAAAAC

then the output should be

"C/G" 	3
"A/C/T" 8

Submit your solution as a file called <firstname>HW12.pl to the teaching assistant Shikha Kaushal
(shikha.kaushal@gmail.com). Replace <firstname> with your first name.