Python 瀛楀吀 copy()鏂规硶，,鏍囩锛?a hre

Python 瀛楀吀 copy()鏂规硶，,鏍囩锛?a hre

鏍囩锛?a href='http://www.byrx.net/so/1/cno' title='cno'>cno

鎻忚堪

Python 瀛楀吀 copy() 鏂规硶杩斿洖涓€涓瓧鍏哥殑娴呮嫹璐濓紙鐖朵笉鍙橈紝瀛愬彉锛夈€?/p>

璇硶

copy()鏂规硶璇硶锛?/p>

dict.copy()

鍙傛暟

杩斿洖鍊?/h2>

杩斿洖涓€涓瓧鍏哥殑娴呮嫹璐濓紙鐖朵笉鍙橈紝瀛愬彉锛夈€?/p>

瀹炰緥

浠ヤ笅瀹炰緥灞曠ず浜?copy()鏂规硶鐨勪娇鐢ㄦ柟娉曪細

#!/usr/bin/python3 dict1 = {鈥楴ame鈥? 鈥楻unoob鈥? 鈥楢ge鈥? 7, 鈥楥lass鈥? 鈥楩irst鈥榼 dict2 = dict1.copy()print ("鏂板鍒剁殑瀛楀吀涓?: ",dict2)

浠ヤ笂瀹炰緥杈撳嚭缁撴灉涓猴細

鏂板鍒剁殑瀛楀吀涓?:  {鈥楢ge鈥? 7, 鈥楴ame鈥? 鈥楻unoob鈥? 鈥楥lass鈥? 鈥楩irst鈥榼

鐩存帴寮曠敤銆佹祬鎷疯礉銆佹繁鎷疯礉鐨勫尯鍒?/h2>

鍙互閫氳繃浠ヤ笅瀹炰緥璇存槑锛?/p>

# !/usr/bin/python# -*- coding: UTF-8 -*-import copydict1 = {鈥榰ser鈥? 鈥榬unoob鈥? 鈥榥um鈥? [1, 2, 3]} # 鍘熷鏁版嵁dict2 = dict1  # 鐩存帴寮曠敤锛歞ict2鍜宒ict1鏁翠綋鎸囧悜鍚屼竴瀵硅薄銆?dict3 = dict1.copy()  # 娴呮嫹璐濓細dict3鍜宒ict1鐨勭埗瀵硅薄鏄竴涓嫭绔嬬殑瀵硅薄锛屼絾鏄粬浠殑瀛愬璞¤繕鏄寚鍚戝悓涓€瀵硅薄銆?dict4 = copy.deepcopy(dict1)  # 娣辨嫹璐濓細dict4鍜宒ict1鐨勬暣浣撴槸涓€涓嫭绔嬬殑瀵硅薄銆?dict1[鈥榰ser鈥榏 = 鈥榬oot鈥?# 淇敼鐖跺璞ict1dict1[鈥榥um鈥榏.remove(1) # 淇敼鐖跺璞ict1涓殑[1, 2, 3]鍒楄〃瀛愬璞?print(鈥樺師濮嬫暟鎹?鈥?{鈥榰ser鈥? 鈥榬unoob鈥? 鈥榥um鈥? [1, 2, 3]}) # 鍘熷鏁版嵁print(鈥樻敼鍚庢暟鎹?鈥?dict1) # 鐖跺瓙閮戒慨鏀硅繃鐨?print(鈥樼洿鎺ュ紩鐢?鈥?dict2) # 鐖跺瓙閮藉彉(鐩存帴寮曠敤)print(鈥樻祬鎷疯礉:鈥?dict3) # 鐖朵笉鍙橈紝瀛愬彉(娴呮嫹璐?print(鈥樻繁鎷疯礉:鈥?dict4) # 鐖跺瓙閮戒笉鍙?娣辨嫹璐?

瀹炰緥涓?dict2 鍏跺疄鏄?dict1 鐨勮祴鍊煎紩鐢紙鍒悕锛夛紝鎵€浠ヨ緭鍑虹粨鏋滈兘鏄竴鑷寸殑锛沝ict3 鏄dict1鐨勬祬鎷疯礉锛岀埗瀵硅薄涓嶄細闅廳ict1淇敼鑰屼慨鏀癸紝瀛愬璞￠殢dict1鐨勪慨鏀硅€屼慨鏀癸紱dict4 鏄dict1鐨勬繁鎷疯礉锛岀埗瀵硅薄鍜屽瓙瀵硅薄閮戒笉浼氶殢dict1淇敼鑰屼慨鏀广€?/p>

杈撳嚭缁撴灉濡備笅锛?/p>

鍘熷鏁版嵁: {鈥榰ser鈥? 鈥榬unoob鈥? 鈥榥um鈥? [1, 2, 3]}鏀瑰悗鏁版嵁: {鈥榰ser鈥? 鈥榬oot鈥? 鈥榥um鈥? [2, 3]}璧嬪€煎紩鐢? {鈥榰ser鈥? 鈥榬oot鈥? 鈥榥um鈥? [2, 3]}娴呮嫹璐? {鈥榰ser鈥? 鈥榬unoob鈥? 鈥榥um鈥? [2, 3]}娣辨嫹璐? {鈥榰ser鈥? 鈥榬unoob鈥? 鈥榥um鈥? [1, 2, 3]}

鐭ヨ瘑鎵╁睍

Python 鐩存帴璧嬪€笺€佹祬鎷疯礉鍜屾繁搴︽嫹璐濊В鏋?/a>

Python 瀛楀吀 copy()鏂规硶

鏍囩锛?a href='http://www.byrx.net/so/1/cno' title='cno'>cno

鍘熸枃鍦板潃锛歨ttp://www.cnblogs.com/wushuaishuai/p/7737865.html