in reply to Converting Ensembl ID to gene symbol

Most people here are not bioinformaticians. I have no idea what your're asking even after having solved 249 tasks at Rosalind.info. Can you show a sample of the input data, link to the API you want to use, and basically describe the task as you'd do it to a five years old?

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord }map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,