code: def test_pformat_struct_in_struct_all_identifiers():
      assert (
          pformat(hl.Struct(x=3, y=3, z=hl.Struct(a=5)))
          == "Struct(x=3, y=3, z=Struct(a=5))"
      )
  
imports: import hail
  from pprint import pformat
label_desc: Use image node_id 12 for calling a global function with example usage: test_pformat_struct_in_struct_all_identifiers() without return types