code: def _print_op(op):
      if op is make_tuple:
          return ""
      if op.defaults and op.defaults != type(op)().defaults:
          args = ", ".join(map(str, op.defaults.values()))
          return f"ops.{type(op).__name__}({args})"
      return repr(op)
  
imports: from funsor.util import get_backend, set_backend
label_desc: Use image node_id 2 for calling a global function with example usage: _print_op(op) and returns: repr, str, str, type, str, args, str