Dear all,
I have a list that is created like that

Spans<-list( c(837e6,842e6), 
          c(832e6,837e6), 
          c(930.1e6,935.1e6)
          )



I would like to include a second list that will contain the string that would correspond to the numbers at the left side. 

I would like thus inside my list to have two sublists. The first onew would be the Spans and the second one the Caption list.

Could you please help me understand how I can do that?

Regards
Alex

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