code: def test_rot47():
      res = decrypt(
          Config().library_default().complete_config(),
          "$A9:?I @7 3=24< BF2CEK[ ;F586 >J G@H",
      )
      assert res == "Sphinx of black quartz, judge my vow"
  
imports: import pytest
  from ciphey import decrypt
  from ciphey.iface import Config
label_desc: Use image node_id 41 for calling a global function with example usage: test_rot47() without return types