docs: def raw(self, n=1):
          """Get the data from file*.
  
          Keyword argument:
              n -- number of data to be retrieved (default 1).
                   Must be greater than 0.
  
          Return:
              A list of raw data.
  
          *This method changes file.tell value.
          """
          size = self.__strct.size  # struct size
          dataset = list()          # list of raw data
  
          try:
              # For n times...
              for _ in range(n):
                  data = self.__file.read(size)  # get raw data from file
                  dataset.append(data)           # save raw data in the list
          finally:
              return dataset