如何从以下数组散列中删除元素;
%HoA = (
flintstones => [ {day=>'19'}, {day=>'21'}, {day=>'22'} ],
jetsons => [ {day=>'29'}, {day=>'23'}, {day=>'25'} ],
simpsons => [ {day=>'26'}, {day=>'33'}, {day=>'27'} ]
);
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像如何删除如{day=>'21'}从flintstones,使结果看起来像;
%HoA = (
flintstones => [ {day=>'19'}, {day=>'22'} ],
jetsons => [ {day=>'29'}, {day=>'23'}, {day=>'25'} ],
simpsons => [ {day=>'26'}, {day=>'33'}, {day=>'27'} ]
);
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我尝试过使用Hash =(); 但这导致undef,我删除的元素的位置