Function colnum2name

tools/python-3.11.9-amd64/Tools/demo/spreadsheet.py:464–471

Translate a column number to name (e.g. 1->'A', etc.).

(n)

    return n

def colnum2name(n):
    "Translate a column number to name (e.g. 1->'A', etc.)."
    assert n > 0
    s = ""
    while n:
        n, m = divmod(n-1, 26)
        s = chr(m+ord('A')) + s
    return s

import tkinter as Tk