formatting file

[SPJ]

Hi,

I am new to python hence posing this question.
I have a file with the following format:

test1    1.1-1   installed
test1    1.1-1   update
test2    2.1-1   installed
test2    2.1-2   update

I want the file to be formatted in the following way:

test1    1.1-1   1.1-2
test2    2.1-1   2.1-2

How can I achieve this? I am stuck here.

Thanks in advance.
spj


		
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