code: def set_prefix_url(prefix_path):
      global API_ROOT_URL
      API_ROOT_URL = format_url_path(prefix_path)
  
file_path: nni/nni/tools/nnictl/url_utils.py
imports: import socket
  import psutil
label_desc: Use image node_id 2 for calling a global function with example usage: set_prefix_url(prefix_path) without return types