docstr: This calls write() for each element in the sequence.
  
  The sequence can be any iterable object producing strings, typically a
  list of strings. This does not add line separators. There is no return
  value.
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code: def writelines(self, sequence):
      """This calls write() for each element in the sequence.
  
      The sequence can be any iterable object producing strings, typically a
      list of strings. This does not add line separators. There is no return
      value.
      """
      for s in sequence:
          self.send(s)
  
imports: import os
  import threading
  import subprocess
  import sys
  import time
  import signal
  import shlex
  from .spawnbase import SpawnBase, PY3
  from .exceptions import EOF
  from .utils import string_types
label_desc: Use image node_id 5 for calling the PopenSpawn obj's underlying member method code with example usage: obj.writelines(sequence) without return types