old_contents: from dmoj.executors.compiled_executor import CompiledExecutor
  
  
  class Executor(CompiledExecutor):
      ext = 'swift'
      name = 'SWIFT'
      command = 'swiftc'
      test_program = 'print(readLine()!)'
  
      def get_compile_args(self):
          return [self.get_command(), self._code]
  
new_contents: from dmoj.executors.compiled_executor import CompiledExecutor
  
  
  class Executor(CompiledExecutor):
      ext = 'swift'
      name = 'SWIFT'
      command = 'swiftc'
      fs = ['/lib']
      test_program = 'print(readLine()!)'
  
      def get_compile_args(self):
          return [self.get_command(), self._code]
  
subject: allow /lib