code: def myst_version():
      """The version of myst."""
      return 0.13
  
imports: import json
  import re
  import warnings
  from textwrap import dedent
  import nbformat
  import yaml
  from .cell_to_text import three_backticks_or_more
label_desc: Use image node_id 3 for calling a global function with example usage: myst_version() and returns: int