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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _load(self):
 """Loads the libsass library if it isn't already loaded."""

        if self.clib is None:
            root_path = os.path.normpath(os.path.join(os.path.dirname(os.path.realpath(__file__ )), '..'))
            path1 = os.path.join(root_path, 'sass.so')
            path2 = os.path.join(root_path, '..', 'sass.so')

            if os.path.exists(path1):
                self.clib = cdll.LoadLibrary(path1)
            elif os.path.exists(path1):
                self.clib = cdll.LoadLibrary(path2)
            else:
                raise Exception("Could not load library")

            self.clib.sass_new_context.restype = POINTER(SassContext)
            self.clib.sass_new_file_context.restype = POINTER(SassFileContext)
            self.clib.sass_new_folder_context.restype = POINTER(SassFolderContext)

            self.clib.sass_compile.restype = c_int
            self.clib.sass_compile.argtypes = [POINTER(SassContext)]

            self.clib.sass_compile_file.restype = c_int
            self.clib.sass_compile_file.argtypes = [POINTER(SassFileContext)]

            self.clib.sass_compile_folder.restype = c_int
            self.clib.sass_compile_folder.argtypes = [POINTER(SassFolderContext)]