code: def put_abs (self, r, c, ch):
          '''Screen array starts at 1 index.'''
  
          r = constrain (r, 1, self.rows)
          c = constrain (c, 1, self.cols)
          if isinstance(ch, bytes):
              ch = self._decode(ch)[0]
          else:
              ch = ch[0]
          self.w[r-1][c-1] = cf put_abs (self, r, c, ch):
          '''Screen array starts at 1 index.'''
  
          r = constrain (r, 1, self.rows)
          c = constrain (c, 1, self.cols)
          if isinstance(ch, bytes):
              ch = self._decode(ch)[0]
          else:
              ch = ch[0]
          self.w[r-1][c-1] = ch
docs: Screen array starts at 1 index.