Write the UPGMA tree in newick format for the following distance matrices.
Use the Python program we have been developing in class to output the
tree.

Submit hardcopies in class on Apr 9th.

0  11 10 11 11 10 11
11 0  11  6  2 11 12 
10 11  0 11 11 10  3
11  6 11  0  6 11 12 
11  2 11  6  0 11 12 
10 11 10 11 11  0  9
10 11  3 12 12  9 10