第五十条 有下列行为之一的，处五日以下拘留或者一千元以下罚款；情节较重的，处五日以上十日以下拘留，可以并处一千元以下罚款：
* @param arr 待排序数组
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Tonnes of food saved from supermarket bins
The James Webb Space Telescope has snapped new pictures of a cosmic cloud of gas and dust blown off by a dying star, whose fate is still unknown to scientists.