I would like to use the number on the left as a key in a hash and use
the number on the right as the value pair to the key. Then print the
values for each hour that have the same key. Maybe this is a good
example for an array of hashes, but I not real sure how to begin. Any
help is greatly appreciated.
Below is the input data:
Hr 12
0001 2
0002 3
0003 1
Hr 13
0001 2
0002 3
0003 1
Hr 14
0001 2
0002 3
0003 1
Desired output below:
12 13 14
0001 2 2 2
0002 3 3 3
0003 1 1 1
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