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withThreadPoolExecutor(maxworkers=5)asexecutor:futures={executor.submit(fetchdata,url):urlforurlinurls}forfutureinfutures:data=future.result()ifdataisNone:print(f"Failedtofetch{futuresfuture}")else:print(f"Successfullyfetcheddatafrom{futuresfuture}")
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importpandasaspdfromsklearn.clusterimportKMeans#鍋囪鎴戜滑鏈夌敤鎴锋祻瑙堝拰璐拱鏁版嵁data={'user_id':1,1,2,2,3,3,'item_id':1,2,1,3,2,3,'purchase_amount':100,200,150,250,300,100}df=pd.DataFrame(data)#鏁版嵁棰勫鐞哫=df'purchase_amount'#浣跨敤KMeans杩涜鑱氱被鍒嗘瀽kmeans=KMeans(n_clusters=3,random_state=0).fit(X)df'cluster'=kmeans.labels_#杈撳嚭楂樹环鍊煎鎴风兢浣揾igh_value_customers=dfdf'cluster'==2#鍋囪绨�2鏄珮浠峰�煎鎴穚rint(high_value_customers)
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