<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _page_gen(self):
 """ Generates The String for pages """

        track = ""
        for page in self.__pages__:
            track += "/{page}".format(page=page)
        return track