python dict haskey
时间: 2023-11-23 11:16:34 浏览: 28
has_key()是Python字典(Dictionary)的一个方法,用于检查字典中是否存在指定的键。它的语法是dict.has_key(key),其中key是要在字典中查找的键。如果字典中存在指定的键,则返回True;如果字典中不存在指定的键,则返回False。这个方法可以帮助我们判断一个键是否存在于字典中。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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