This is similar to the accepted idiom in python as well: create a dictionary mapping choices to outcomes. For the special case of sequential numerical choices,

This is similar to the accepted idiom in python as well: create a dictionary mapping choices to outcomes. For the special case of sequential numerical choices, a list works as well. For the special-special case of numerical choices for single-word string outcomes, I often use: dir = 'north eash south west'.split()[n]