近日随着全国各地都出现了超高温现象，有一名导游在带领游客前往夏威夷旅游的过程当中却倒在了旅游景点，当时夏威夷的天气特别严热，在带团讲解的过程当中由于全身出现了高温现象没有及时上热，最终诱发热射并抢救无
i would like to generate strict alphanumeric character logins from users\' first and lastname. Since many of them are foreigners, their names have special characters (é, è, ï, ...). I would like to
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