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<p>我想用python来改变这个</p>
<p>之前:</p>
<pre><code>{'NewYork': {'Paris': 12, 'Hawaii': 8, 'Tokyo': 11, 'Incheon': 12, 'LA': 2},
'Beijing': {'Hongkong': 3, 'Cebu': 5},
'Incheon': {'Cairo': 10, 'LA': 11, 'Tokyo': 1},
'Tokyo': {'NewYork': 12, 'Paris': 14, 'LA': 9}}
</code></pre>
<p>之后:</p>
<pre><code>[("NewYork","Paris",12),
("NewYork","Hawaii",8),
("Newyork","Tokyo",11),
("NewYork","Incheon",12),
("NewYork","LA",2),
("Beijing","HongKong",3),
("Beijing","Cebu",5),
("Incheon","Cairo",10),
("Incheon","LA",11),
("Incheon","Tokyo",1),
("Tokyo","NewYork",12),
("Tokyo","Paris",14),
("Tokyo","LA",9)]
</code></pre>
<p>我该怎么做</p>