parameters: (col_num, col_abs=False)
return_statement: return col_abs + col_str
docstring: Convert a zero indexed column cell reference to a string.
  
      Args:
         col:     The cell column. Int.
         col_abs: Optional flag to make the column absolute. Bool.
  
      Returns:
          Column style string.
docstring_summary: Convert a zero indexed column cell reference to a string.
docstring_tokens: Convert a zero indexed column cell reference to a string .
function: def xl_col_to_name(col_num, col_abs=False):
      """
      Convert a zero indexed column cell reference to a string.
  
      Args:
         col:     The cell column. Int.
         col_abs: Optional flag to make the column absolute. Bool.
  
      Returns:
          Column style string.
  
      """
      col_num += 1  # Change to 1-index.
      col_str = ''
      col_abs = '$' if col_abs else ''
  
      while col_num:
          # Set remainder from 1 .. 26
          remainder = col_num % 26
  
          if remainder == 0:
              remainder = 26
  
          # Convert the remainder to a character.
          col_letter = chr(ord('A') + remainder - 1)
  
          # Accumulate the column letters, right to left.
          col_str = col_letter + col_str
  
          # Get the next order of magnitude.
          col_num = int((col_num - 1) / 26)
  
      return col_abs + col_str
function_tokens: def xl_col_to_name ( col_num , col_abs = False ) : col_num += 1 # Change to 1-index. col_str = '' col_abs = '$' if col_abs else '' while col_num : # Set remainder from 1 .. 26 remainder = col_num % 26 if remainder == 0 : remainder = 26 # Convert the remainder to a character. col_letter = chr ( ord ( 'A' ) + remainder - 1 ) # Accumulate the column letters, right to left. col_str = col_letter + col_str # Get the next order of magnitude. col_num = int ( ( col_num - 1 ) / 26 ) return col_abs + col_str