code: def _get_value_str(p):
      """Returns a string representation of a `metadata_store_pb2.Value` object."""
      if p.int_value:
          return str(p.int_value)
      if p.string_value:
          return p.string_value
      if p.double_value:
          return str(p.double_value)
      return ""
  
imports: import re
  from IPython.display import display_html
  import matplotlib.pyplot
  import networkx
  import pandas
  from ml_metadata.proto import metadata_store_pb2
label_desc: Use image node_id 3 for calling a global function with example usage: _get_value_str(p) and returns: str, str, p, str