parameters: (i)
return_statement: return int2letter(d - 1) + int2letter(m)
docstring: Convert an integer to letters, to generate spreadsheet column id
    0=>A, 25=>Z, 26=>AA, 27=>AB, ...
docstring_summary: Convert an integer to letters, to generate spreadsheet column id
    0=>A, 25=>Z, 26=>AA, 27=>AB, ...
docstring_tokens: Convert an integer to letters to generate spreadsheet column id 0 = > A 25 = > Z 26 = > AA 27 = > AB ...
function: def int2letter(i):
    """
    Convert an integer to letters, to generate spreadsheet column id
    0=>A, 25=>Z, 26=>AA, 27=>AB, ...
    """
    if i < 26:
      return (chr(i + ord('A')))
    d, m = divmod(i, 26)
    return int2letter(d - 1) + int2letter(m)
function_tokens: def int2letter ( i ) : if i < 26 : return ( chr ( i + ord ( 'A' ) ) ) d , m = divmod ( i , 26 ) return int2letter ( d - 1 ) + int2letter ( m )