浠婂ぉ缁欏ぇ瀹跺垎浜?涓瘮杈冨喎闂ㄧ殑鐭ヨ瘑銆傜涓€涓細榄旀硶瀛楀吀閿畇ome_dict={}some_dict[5.5]="Ruby"some_dict[5.0]="JavaScript"some_dict[5]="Python"杈撳嚭锛?>>some_dict[5.5]"Ruby">>>some_dict[5.0]"Python">>>some_dict[5]"Python""Python"娑堥櫎浜?JavaScript"鐨勫瓨鍦紵馃挕璇存槑锛歅ython瀛楀吀閫氳繃妫€鏌ョ浉绛夋€у拰姣旇緝鍝堝笇鏉ョ‘瀹氫袱涓敭鏄惁鐩稿悓銆傚叿鏈夌浉鍚屽€肩殑涓嶅彲鍙樺璞″湪Python涓缁堝叿鏈夌浉鍚岀殑鍝堝笇鍊笺€傛敞鎰忥細鍏锋湁涓嶅悓鍊肩殑瀵硅薄涔熷彲鑳藉叿鏈夌浉鍚岀殑鍝堝笇鍊硷紙鍝堝笇鍐茬獊锛夈€?>>5==5.0True>>>hash(5)==hash(5.0)True鎵цsome_dict[5]="Python"璇彞鏃讹紝鍥犱负Python灏?鍜?.0璇嗗埆涓簊ome_dict鐨勭浉鍚岄敭锛屾墍浠ョ幇鏈塿alue"JavaScript"琚?Python"瑕嗙洊鍏舵锛歳eturndefsome_func()inexceptionhandling:try:return'from_try'finally:return'from_finally'Output:>>>some_func()'from_finally'馃挕瑙ｉ噴锛氳繑鍥炴椂锛宐reakorcontinue鍦ㄢ€渢ry...finally鈥濊鍙ョ殑try涓墽琛岋紝finally瀛愬彞浠嶇劧浼氳鎵ц銆傚嚱鏁扮殑杩斿洖鍊肩敱鏈€鍚庢墽琛岀殑return璇彞鍐冲畾銆傜敱浜庡繀椤绘墽琛宖inally瀛愬彞锛屽洜姝inally瀛愬彞涓殑return灏嗗缁堟槸鏈€鍚庢墽琛岀殑璇彞銆傜涓夌锛氬悓涓€瀵硅薄绫籛TF鐨勫垽鏂細passOutput:>>>WTF()==WTF()#浜屼笉鍚屽璞′笉搴旇鐩哥瓑False>>>WTF()isWTF()#涔熶笉涓€鏍稦alse>>>hash(WTF())==hash(WTF())#鍝堝笇鍊间篃搴旇涓嶄竴鏍稵rue>>>id(WTF())==id(WTF())True馃挕瑙ｉ噴锛氬綋id鍑芥暟琚皟鐢ㄦ椂锛孭ython浼氬垱寤轰竴涓猈TF绫荤殑瀵硅薄锛屽苟灏嗗叾浼犻€掔粰id鍑芥暟銆傜劧鍚巌d鍑芥暟寰楀埌瀹冪殑id鍊硷紙涔熷氨鏄唴瀛樺湴鍧€锛夛紝鐒跺悗涓㈠純杩欎釜瀵硅薄銆傚璞¤閿€姣併€傚綋鎴戜滑杩炵画涓ゆ杩欐牱鍋氭椂锛孭ython灏嗙浉鍚岀殑鍐呭瓨鍦板潃鍒嗛厤缁欑浜屼釜瀵硅薄銆傚洜涓猴紙鍦–Python涓級id鍑芥暟浣跨敤瀵硅薄鐨勫唴瀛樺湴鍧€浣滀负瀵硅薄鐨刬d鍊硷紝鎵€浠ヤ袱涓璞＄殑id鍊兼槸涓€鏍风殑銆傜患涓婃墍杩帮紝瀵硅薄鐨刬d鍊煎彧鍦ㄥ璞＄殑鐢熷懡鍛ㄦ湡鍐呮槸鍞竴鐨勩€傚璞￠攢姣佸悗鎴栧垱寤哄墠锛屽叾浠栧璞″彲浠ユ湁鐩稿悓鐨刬d鍊笺€傞偅涓轰粈涔坕s鎿嶄綔鐨勭粨鏋滄槸False鍛紵璁╂垜浠湅鐪嬭繖娈典唬鐮併€俢lassWTF(object):def__init__(self):print("I")def__del__(self):print("D")杈撳嚭锛?>>WTF()isWTF()IIDDFalse>>>id(WTF())==id(WTF())IDIDTrue濡傛偍鎵€瑙侊紝瀵硅薄閿€姣佺殑椤哄簭鏄€犳垚鎵€鏈夊樊寮傜殑鍘熷洜銆傛渶杩戞暣鐞嗕簡鏁扮櫨G鐨凱ython瀛︿範璧勬枡锛屽寘鎷數瀛愪功銆佹暀绋嬨€佹簮鐮佺瓑閫傚悎鍒濆鑰呯殑璧勬枡锛屽厤璐瑰垎浜粰澶у锛佹兂涓娾€淧ython缂栫▼瀛︿範鍦堚€濓紝鍙戔€淛鈥濆厤璐归鍙?/p>
