a = {"cat":3,"dog":4}
时间: 2023-09-13 19:04:23 浏览: 230
a = {"cat":3,"dog":4} 是一个字典,其中"cat"和"dog"是键,而3和4是对应的值。这个字典表示了有3只猫和4只狗。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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