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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 _probe_lock_file(self, reported_mtime):

 """Called by get_dir"""

        delta = reported_mtime - self.lock_data["lock_time"]
        # delta2 = reported_mtime - self.lock_write_time
        self.server_time_ofs = delta
        if self.get_option("verbose", 3) >= 4:
            write("Server time offset: {:.2f} seconds.".format(delta))