Convert spreadsheet number to column letter

Question

I\'m looking for the opposite to this Q&A: Convert an excel or spreadsheet column letter to its number in Pythonic fashion.

or this one but in python How to conv

Answer 1

Recursive one line solution w/o libraries

def column(num, res = ''):
   return column((num - 1) // 26, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'[(num - 1) % 26] + res) if num > 0 else res