code: def _repr_iterable(self, x, level, left, right, maxiter, trail=""):
      n = len(x)
      if level <= 0 and n:
          s = self.fillvalue
      else:
          newlevel = level - 1
          repr1 = self.repr1
          pieces = [
              repr1(elem, newlevel) for elem in islice(x, maxiter)
          ]
          if n > maxiter:
              pieces.append(self.fillvalue)
          s = ", ".join(pieces)
          if n == 1 and trail:
              right = trail + right
      return "%s%s%s" % (left, s, right)
  
file_path: catboost/contrib/tools/python3/src/Lib/reprlib.py
imports: import builtins
  from itertools import islice
  from _thread import get_ident
label_desc: Use image node_id 4 for calling the Repr obj's underlying member method code with example usage: obj._repr_iterable(x, level, left, right, maxiter, trail) and returns: unknown