instanceIdList = ["i-1234", "i-5678", "i-9101"]
sourceIPList = ["1.2.3.4", "5.6.7.8", "9.10.11.12"]
idToIP = dict(zip(instanceIdList, sourceIPList))
filteredInstanceIdList = [k for k, v in idToIP.items() if v == "5.6.7.8"]
筛选结果为filteredInstanceIdList = ["i-5678"]
。
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