code: def post(url: str, content: Any) -> Any:
      last_error: Optional[urllib.error.HTTPError] = None
      for _retry in range(10):
          try:
              req = urllib.request.Request(url)
              req.add_header(
                  "Content-Type", "application/json; charset=utf-8"
              )
              jsondataasbytes = json.dumps(content).encode(
                  "utf-8"
              )  # needs to be bytes
              req.add_header(
                  "Content-Length", str(len(jsondataasbytes))
              )
              response = urllib.request.urlopen(req, jsondataasbytes)
              assert (
                  response.getcode() == 200
              ), "Error making request to ReAgent server: {} {}".format(
                  response.getcode(), response.read().decode("utf-8")
              )
              return json.loads(response.read().decode("utf-8"))
          except urllib.error.HTTPError as e:
              print(
                  "Error: {} {}".format(
                      e.getcode(), e.read().decode("utf-8")
                  )
              )
              last_error = e
              time.sleep(1)
      raise last_error
  
file_path: ReAgent/serving/examples/ecommerce/customer_simulator.py
imports: import json
  import random
  import sys
  import time
  import urllib.error
  import urllib.request
  from multiprocessing import Pool
  from typing import Any, Dict, List, Optional, Tuple
label_desc: Use image node_id 1 for calling a global function with example usage: post(url, content) and returns: json