comefrom: <doocs>0171.Excel Sheet Column Number_1.py
code: def titleToNumber( columnTitle: str) -> int:
      res = 0
      for c in columnTitle:
          res = res * 26 + (ord(c) - ord('A') + 1)
      return res
masked: def sample_funcname ( var_0 : str ) -> int :
      var_4 = 0
      for var_5 in var_0 :
          var_4 = var_4 * 26 + ( ord ( var_5 ) - ord ( 'A' ) + 1 )
      return var_4
  