code: def __exit__(self, exc_type, exc_value, traceback):
      os.dup2(self.old_stdout_fileno, sys.stdout.fileno())
      os.dup2(self.old_stderr_fileno, sys.stderr.fileno())
      os.close(self.old_stdout_fileno)
      os.close(self.old_stderr_fileno)
  
imports: import collections
  import os
  import sys
label_desc: Use image node_id 3 for calling the RedirectStdStreams obj's underlying member method code with example usage: obj.__exit__(exc_type, exc_value, traceback) without return types