code: def c(v1: int, v2: int, v3: int):
      return sum([v1, v2, v3])
  
file_path: ray/release/k8s_tests/solution.py
imports: from ray import serve
  from ray.serve.drivers import DAGDriver
  from ray.dag.input_node import InputNode
label_desc: Use image node_id 3 for calling a global function with example usage: c(v1, v2, v3) and returns: sum