The goal of cdlujan.ejercicio.extra is to be used as an excercise on how to create a R package.
You can install the released version of cdlujan.ejercicio.extra from GitHub with:
library(devtools)
install_github("cdlujan/cdlujan.ejercicio.extra")
library(cdlujan.ejercicio.extra)
suma.dos.numeros(2,3)
#> [1] 5
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