docstr: Get all experiments.
code: def search_experiments(self):
      """Get all experiments."""
      url = self.base_url + "/experiments/search"
      r = requests.get(url)
      experiments = None
      if r.status_code == 200:
          experiments = r.json()["experiments"]
      return experiments
  
file_path: mlflow/examples/rest_api/mlflow_tracking_rest_api.py
imports: import argparse
  import os
  import pwd
  import requests
  from mlflow.utils.time import get_current_time_millis
label_desc: Use image node_id 3 for calling the MLflowTrackingRestApi obj's underlying member method code with example usage: obj.search_experiments() and returns: experiments