code: def check(file: str) -> None:
      has_copyright = False
      has_license = False
  
      copyright = "__copyright__"
      license = "__license__"
  
      with open(file) as f:
          for line in f.readlines():
              if line.startswith(copyright):
                  has_copyright = True
  
              if line.startswith(license):
                  has_license = True
  
      if not has_copyright:
          print(f"{file} does not have copyright.")
  
      if not has_license:
          print(f"{file} does not have license.")
  
label_desc: Use image node_id 3 for calling a global function with example usage: check(file) without return types