code: def _namespaces():
      hash = ""
      if os.path.exists(NAMESPACE_PATH):
          for file in os.listdir(NAMESPACE_PATH):
              if hash != "":
                  hash += " "
              hash += os.readlink(os.path.join(NAMESPACE_PATH, file))
      return hash
  
imports: import hashlib
  import os
  import socket
label_desc: Use image node_id 1 for calling a global function with example usage: _namespaces() and returns: hash