Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python2.7/py_compile.py", line 117, in compile
    raise py_exc
py_compile.PyCompileError:   File "/in/foo.py", line 1
    function hash ( c : node ) : longint; // node 存储了两行的值
                ^
SyntaxError: invalid syntax