I just started messing with programming and started with Python. Part of my first project deals with translating numerical values to letters. I would like to be able to do the reverse as well, letters to numbers, sort of a table for lookup and a table for reverse lookup. I thought that a dictionary would be the structure to use- write it once and in a second instance swap the keys for values and values for keys. However, reversing a dictionary does not seem to be easily achieved. Am I using the wrong data structure?
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