parameters: (line)
return_statement: return "file format" not in line
docstring: Returns true for lines that should be compared in the disassembly
      output.
docstring_summary: Returns true for lines that should be compared in the disassembly
      output.
docstring_tokens: Returns true for lines that should be compared in the disassembly output .
function: def keep_line(line):
      """Returns true for lines that should be compared in the disassembly
      output."""
      return "file format" not in line
function_tokens: def keep_line ( line ) : return "file format" not in line