I have a column with number 1-9 in order (skus), and a second column with either the letters a, b, or c as follows:
1 a
2 c
3 b
4 c
5 b
6 b
7 b
8 c
9 a
I need a formula or program that would analyze these two columns and return 2 columns in this format: (first column is either a,b, or c and the second column is a list of the skus associated with the letter as follows)
a 1,9
b 3,5,6,7
c 2,4,8
Any help would be greatly appreciated, i am new to excel programming and have been trying to figure this out for hours.
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