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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 _reset (self):
 """Reset internal flags and entry lists."""

        self.entries = []
        self.default_entry = None
        self.disallow_all = False
        self.allow_all = False
        self.last_checked = 0
        # list of tuples (sitemap url, line number)
        self.sitemap_urls = []