docs: def write(self, i, value):
          """Write value in ith position in file.
  
          Keyword arguments:
              i -- position in file
              value -- value to be packed (tuple)
          """
          # Current byte position - (n * data_size)
          offset = i * self.__strct.size
  
          # Set file pointer to -(#data)
          self.__file.seek(offset)
  
          # Pack value
          data = self.pack(value)
  
          # Write packed value
          self.__file.write(data)