code: def __getitem__(self, n):
      return [self.el][n]
  
file_path: cpython/Lib/test/test_contains.py
imports: from collections import deque
  import unittest
  from test.support import NEVER_EQ
label_desc: Use image node_id 1 for calling the seq obj's underlying member method code with example usage: obj.__getitem__(n) and returns: list