세션ID: tiomt4l6gi3470rn4ob411g4fj
session1 :
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session2 :
Warning: Undefined array key "session2" in /users/2021/i2151032/public_html/2022/WebProg/ch10/exam10-08.php on line 27
session3 :
Warning: Undefined array key "session3" in /users/2021/i2151032/public_html/2022/WebProg/ch10/exam10-08.php on line 29
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