code: def test_sequence(value):
      """Return true if the variable is a sequence. Sequences are variables
      that are iterable.
      """
      try:
          len(value)
          value.__getitem__
      except Exception:
          return False
      return True
  
imports: import decimal
  import operator
  import re
  from ._compat import abc
  from ._compat import integer_types
  from ._compat import string_types
  from ._compat import text_type
  from .runtime import Undefined
label_desc: Use image node_id 17 for calling a global function with example usage: test_sequence(value) and returns: True, False