how to get [3,5] from [ ["3"], ["5"] ]

[MEENA SELVAM]

Hi,
I need to extract the first element of every tuple, in
a tuplelist in the format[a,b]

what I have is:

FirElem = fun(X)->
            {C,_} = X,
            C
          end.

lists:map(FirElem,[{["3"],["red"]},{["5"],["yellow"]}]).

which gives [["3"],["5"]]

But I require to make a list [3,5] for which I do not
find any BIF or functions( to convert [["3"],["5"]].
Any suggestions?

meena


		
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