{"rsdb":{"rid":"376853","subhead":"","postdate":"0","aid":"263784","fid":"86","uid":"1","topic":"1","content":"
\n

\u9762\u8bd5\u9898<\/h1> \n

\u5b57\u7b26\u4e32\u53cd\u5411\u8f93\u51fa<\/h2> \n

s = "\u7ed9\u963f\u59e8\u5012\u676f\u5361\u5e03\u5947\u8bfa"\u53cd\u5411\u8f93\u51faS:
print(s[::-1])<\/p> \n

\u9762\u8bd5\u5fc5\u95ee:\u8d4b\u503c,\u6d45\u62f7\u8d1d,\u6df1\u62f7\u8d1d<\/h2> \n

\u8d4b\u503c:\u591a\u4e2a\u53d8\u91cf\u6307\u5230\u76f8\u540c\u5185\u5b58
\u6d45\u62f7\u8d1d\u4e2d\u6240\u6709\u7684\u5143\u7d20\uff0c\u4e0d\u7ba1\u7b2c\u51e0\u5c42\u7684\u5143\u7d20,\u90fd\u4f1a\u5171\u7528,\u53ea\u6709\u6700\u5916\u5c42\u7684\u53d8\u91cf\u4f1a\u6709\u4e0d\u540c\u7684\u5185\u5b58\u5730\u5740.
\u6df1\u62f7\u8d1d\u6240\u6709\u7684\u4e0d\u53ef\u53d8\u5143\u7d20,\u90fd\u4f1a\u5171\u7528,\u6240\u6709\u53ef\u53d8\u5143\u7d20\u4e0d\u5171\u7528,\u90fd\u6709\u81ea\u5df1\u7684\u5185\u5b58\u5730\u5740.<\/p> \n

\u603b\u7ed3:
\u6d45\u62f7\u8d1d
\u4e2a\u4eba\u7406\u89e3:\u6d45\u62f7\u8d1d,\u65e7\u5217\u8868\u53ea\u6709\u5b8c\u6574\u66ff\u6362\u67d0\u4e2a\u5143\u7d20\u6216\u8005\u589e\u52a0\u4e00\u4e2a\u5143\u7d20\u65f6\u624d\u4e0d\u4f1a\u5f71\u54cd\u65b0\u5217\u8868,
\u5982\u679c\u65e7\u5217\u8868\u53d8\u66f4\u67d0\u4e2a\u5143\u7d20\u4e2d\u7684\u90e8\u5206\u53d8\u91cf(\u53ef\u53d8\u5143\u7d20,\u5b57\u7b26\u4e32\u7684\u4e00\u90e8\u5206)\u65f6\u624d\u4f1a\u5f71\u54cd\u65b0\u5217\u8868,
\u4f7f\u5f97\u65b0\u65e7\u5217\u8868\u4e00\u6837.
\u6d45\u62f7\u8d1d\u7684\u65f6\u5019\u53ea\u62f7\u8d1d\u7b2c\u4e00\u5c42\u5143\u7d20
\u6d45\u62f7\u8d1d\u5728\u4fee\u6539\u7b2c\u4e00\u5c42\u5143\u7d20(\u4e0d\u53ef\u53d8\u6570\u636e\u7c7b\u578b)\u7684\u65f6\u5019,\u62f7\u8d1d\u51fa\u6765\u7684\u65b0\u5217\u8868\u4e0d\u8fdb\u884c\u6539\u53d8
\u6d45\u62f7\u8d1d\u5728\u66ff\u6362\u7b2c\u4e00\u5c42\u5143\u7d20(\u53ef\u53d8\u6570\u636e\u7c7b\u578b)\u7684\u65f6\u5019,\u62f7\u8d1d\u51fa\u6765\u7684\u65b0\u5217\u8868\u4e0d\u8fdb\u884c\u6539\u53d8\u6d45\u62f7\u8d1d\u5728\u4fee\u6539
\u7b2c\u4e00\u5c42\u5143\u7d20\u4e2d\u7684\u5143\u7d20(\u7b2c\u4e8c\u5c42)\u7684\u65f6\u5019,\u62f7\u8d1d\u51fa\u6765\u7684\u65b0\u5217\u8868\u8fdb\u884c\u6539\u53d8
\u6df1\u62f7\u8d1d
\u6df1\u62f7\u8d1d\u5f00\u8f9f\u4e00\u4e2a\u5bb9\u5668\u7a7a\u95f4(\u5217\u8868),\u4e0d\u53ef\u53d8\u6570\u636e\u516c\u7528,\u53ef\u53d8\u6570\u636e\u6570\u636e\u7c7b\u578b(\u518d\u6b21\u5f00\u8f9f\u4e00\u4e2a\u65b0\u7684\u7a7a\u95f4)
\u7a7a\u95f4\u91cc\u7684\u503c\u662f\u4e0d\u53ef\u53d8\u7684\u6570\u636e\u8fdb\u884c\u5171\u7528\u7684,\u53ef\u53d8\u7684\u6570\u636e\u7c7b\u578b\u518d\u6b21\u5f00\u8f9f\u7a7a\u95f4<\/p> \n


import copy
lst1 = copy.deepcopy(lst)
# \u6df1\u62f7\u8d1d
import copy #\u5bfc\u5165
lst = [1,2,3,[5,6,7]]
lst1 = copy.deepcopy(lst) # \u6df1\u62f7\u8d1d
lst[-1].append(8)
print(lst)
print(lst1)<\/p> \n

lst = [1,2,3,[5,6,7,[8,10,9]]]
import copy
lst1 = copy.deepcopy(lst)
print(id(lst[-1][-1]))
print(id(lst1[-1][-1]))
\"\"<\/p> \n

 <\/p> \n<\/div>","orderid":"0","title":"\u9762\u8bd5\u9898(Python)","smalltitle":"","mid":"0","fname":"Delphi","special_id":"0","bak_id":"0","info":"0","hits":"254","pages":"1","comments":"0","posttime":"2019-10-09 20:01:17","list":"1570622477","username":"admin","author":"","copyfrom":"","copyfromurl":"","titlecolor":"","fonttype":"0","titleicon":"0","picurl":"https:\/\/www.cppentry.com\/upload_files\/","ispic":"0","yz":"1","yzer":"","yztime":"0","levels":"0","levelstime":"0","keywords":"\u8bd5\u9898<\/A> Python<\/A>","jumpurl":"","iframeurl":"","style":"","template":"a:3:{s:4:\"head\";s:0:\"\";s:4:\"foot\";s:0:\"\";s:8:\"bencandy\";s:0:\"\";}","target":"0","ip":"14.17.22.32","lastfid":"0","money":"0","buyuser":"","passwd":"","allowdown":"","allowview":"","editer":"","edittime":"0","begintime":"0","endtime":"0","description":"\u9762\u8bd5\u9898(Python)","lastview":"1714157591","digg_num":"0","digg_time":"0","forbidcomment":"0","ifvote":"0","heart":"","htmlname":"","city_id":"0"},"page":"1"}