example_hash = {
"1" => {"occurence": 12, "display": ""},
"2" => {"occurence": 15, "display": ""},
"3" => {"occurence": 16, "display": ""}
}
对于上面给定的嵌套散列,我们如何根据出现值对其进行排序(降序)?结果应该以3,2,1的排序顺序显示键
https://stackoverflow.com/questions/51507439
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