code: def release_collection(prefix):
      col_list = get_collections(prefix)
      logger.info("release collection")
      for col_name in col_list:
          c = Collection(name=col_name)
          c.release()
  
file_path: milvus/tests/python_client/deploy/scripts/utils.py
imports: import sys
  import copy
  import time
  from loguru import logger
  import pymilvus
  from pymilvus import FieldSchema, CollectionSchema, DataType, Collection, list_collections
label_desc: Use image node_id 7 for calling a global function with example usage: release_collection(prefix) without return types