code: def my_func(a: int, b: int = 2) -> str:
      return f"a={a},b={b}"
  
imports: from dataclasses import dataclass
  from torch_geometric.graphgym.config import from_config
label_desc: Use image node_id 1 for calling a global function with example usage: my_func(a, b) and returns: str, a, str, b