[Tutor] How to create a dictionary for ount elements

[Mark Lawrence]

On 03/06/2014 17:24, jarod_v6 at libero.it wrote:
> HI there!!!
> I have  afile like this:
> file.txt
> programs 	sample	gene
> program1	sample1	TP53
> program1	sample1	TP53
> program1	sample2	PRNP
> program1	sample2	ATF3
> program2	sample1	TP53
> program2	sample1	PRNP
> program2	sample2	TRIM32
> program2	sample2	TLK1
> program2	sample2	KIT
>
>
> with open("prova.csv") as p:
>      for i in p:
>     ...:         lines = i.rstrip("\n").split("\t")
>     ...:         print lines
>     ...:
> ['programs ', 'sample', 'gene', 'values']
> ['program1', 'sample1', 'TP53', '2']
> ['program1', 'sample1', 'TP53', '3']
> ['program1', 'sample2', 'PRNP', '4']
> ['program1', 'sample2', 'ATF3', '3']
> ['program2', 'sample1', 'TP53', '2']
> ['program2', 'sample1', 'PRNP', '5']
> ['program2', 'sample2', 'TRIM32', '4']
> ['program2', 'sample2', 'TLK1', '4']
>
>
> I want to create a dictionary with set data with the names of the genes:
>
> example:
> dic = {}
>
>
> dic['program1-sample1] = set(TP53)
> dic['program1-sample2] = set(TP53,PRNP,ATF3)
>
> So If I have a dictionary like that I can compare two set  I will compare the
> capacity of the programs in function of the gene show.
> Thanks in advance for your help!
>

Is this of any use to you 
https://docs.python.org/3/library/collections.html#collections.Counter ?

-- 
My fellow Pythonistas, ask not what our language can do for you, ask 
what you can do for our language.

Mark Lawrence

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