{"rsdb":{"rid":"372436","subhead":"","postdate":"0","aid":"261441","fid":"77","uid":"1","topic":"1","content":"
\n

\u4e00\u3001\u5b9a\u4e49\u51fd\u6570<\/span>\u3000\u3000def \u51fd\u6570\u540d():<\/span><\/p> \n

\u3000\u3000\u3000\u3000\u51fd\u6570\u4f53\u4ee3\u7801<\/span>

\u3000\u3000\u4f8b\uff1a<\/span>
\u3000\u3000#\u5b9a\u4e49\u51fd\u6570<\/span>
\u3000\u3000def email():<\/span>
\u3000\u3000\u3000\u3000print('send email')<\/span>
\u3000\u3000#\u8c03\u7528\u6267\u884c\u51fd\u6570<\/span>
\u3000\u3000email()<\/span>

\u4e8c\u3001\u51fd\u6570\u7684\u8fd4\u56de\u503c<\/span>

\u3000\u3000def email():<\/span>
\u3000\u3000\u3000\u3000print("send email")<\/span>
\u3000\u3000\u3000\u3000return "\u53d1\u9001\u6210\u529f"       #\u6ca1\u6709return\uff0c\u9ed8\u8ba4\u8fd4\u56deNone<\/span>

\u3000\u3000ret = email()     #\u51fd\u6570return\u540e\u9762\u662f\u4ec0\u4e48\u503c\uff0cret\u7b49\u4e8e\u8fd4\u56de\u503c <\/span>
\u3000\u3000print(ret)<\/span>
\u6ce8\u610f\uff1a\u4e00\u65e6\u9047\u5230return,\u51fd\u6570\u5185\u90e8return\u4ee5\u4e0b\u7684\u4ee3\u7801\u4e0d\u518d\u6267\u884c\u3002<\/span><\/em><\/p> \n

\u4e09\u3001\u51fd\u6570\u7684\u666e\u901a\u53c2\u6570<\/span><\/p> \n

\u3000\u3000def email(address):     #address\u4e3a\u5f62\u5f0f\u53c2\u6570<\/span>
\u3000\u3000print(address)<\/span>
\u3000\u3000return True<\/span><\/p> \n

\u3000\u3000ret = email('123@qq.com')       #\u8c03\u7528\u6267\u884c\u4f20\u503c\uff0c\u4e3a\u5b9e\u9645\u53c2\u6570<\/span>
\u3000\u3000#\u4f20\u53c2\uff0c\u9ed8\u8ba4\u662f\u6309\u987a\u5e8f\u4f20\u503c\uff0c\u4e5f\u53ef\u4ee5\u6307\u5b9a\u5f62\u53c2\u4f20\u5165\u5b9e\u53c2\uff0c\u5c31\u53ef\u4ee5\u4e0d\u6309\u987a\u5e8f<\/span>

\u56db\u3001\u51fd\u6570\u7684\u9ed8\u8ba4\u53c2\u6570<\/span><\/p> \n

\u3000\u3000#\u6ce8\u610f\uff1a\u6709\u9ed8\u8ba4\u503c\u7684\u53c2\u6570\u8981\u653e\u5728\u540e\u9762<\/span>
\u3000\u3000def email(name, address="456@163.com"):             #name\u3001address\u4e3a\u5f62\u5f0f\u53c2\u6570,address\u6709\u9ed8\u8ba4\u503c\u4e3a456@163.com<\/span>
\u3000\u3000print(name, address)<\/span>
\u3000\u3000return True<\/span>

\u4e94\u3001\u51fd\u6570\u7684\u52a8\u6001\u53c2\u6570<\/span>

1)\u7b80\u5355\u7684\u52a8\u6001\u53c2\u6570<\/span>
#\u6ce8\u610f\uff1a\u52a0\u4e0a\u4e00\u4e2a*\u53f7\uff0c\u5373\u53ef\u6210\u4e3a\u52a8\u6001\u5f62\u5f0f\u53c2\u6570\uff0c\u8f6c\u6362\u5143\u7ec4\uff1b\u52a0\u4e0a\u4e24\u4e2a**\u53f7\u65f6\uff0c\u8f6c\u6362\u6210\u5b57\u5178<\/span>
\u3000\u3000def email(*addr, **address): <\/span>
\u3000\u3000\u3000\u3000print(addr)<\/span>
\u3000\u3000\u3000\u3000print(address)<\/span><\/p> \n

\u3000\u3000email(11, 22, 33, k1 = 123, k2 = 456) #\u5728\u52a8\u6001\u51fd\u6570\u53c2\u6570\u4e2d\uff0c\u53ef\u4ee5\u4f20\u5165\u591a\u4e2a\u53c2\u6570<\/span>
\u3000\u3000\u7ed3\u679c\uff1a<\/span>
\u3000\u3000(11\uff0c22\uff0c33)<\/span>
\u3000\u3000{'k1':123, 'k2': 456}<\/span>

2)\u4e3a\u52a8\u6001\u53c2\u6570\u4f20\u5165\u5217\u8868\u3001\u5b57\u5178\u6216\u5143\u7ec4<\/span>
\u3000\u30002.1)\u5b9e\u53c2\u4f20\u5165\u5217\u8868 <\/span>
\u3000\u3000\u3000\u3000def f1(*args):<\/span>
\u3000\u3000\u3000\u3000\u3000\u3000print(args)<\/span><\/p> \n

\u3000\u3000\u3000\u3000li = [11,22,33,44] #\u5217\u8868<\/span>
\u3000\u3000\u3000\u3000f1(li)         #\u7ed3\u679c\u4e3a[11,22,33,44]<\/span>
\u3000\u3000\u3000\u3000f1(*li)        #\u7ed3\u679c\u4e3a(11,22,33,44),\u6ce8\u610f\u5728\u4f20\u5165\u5b9e\u53c2\u65f6\uff0c\u52a0\u5165*\u53f7<\/span>
\u3000\u30002.2)\u5b9e\u53c2\u4f20\u5165\u5b57\u5178<\/span>
\u3000\u3000\u3000\u3000def f2(**kwargs):<\/span>
\u3000\u3000\u3000\u3000\u3000\u3000print(kwargs)<\/span>

\u3000\u3000\u3000\u3000dic = {'k1':789} #\u4f20\u5165\u5b57\u5178<\/span>
\u3000\u3000\u3000\u3000f2(dic)           #\u7ed3\u679c\u62a5\u9519<\/span>
\u3000\u3000\u3000\u3000f2(**dic)        #\u7ed3\u679c\u4e3a{'k1':789},\u6ce8\u610f\u5728\u4f20\u5165\u5b9e\u53c2\u65f6\uff0c\u52a0\u5165**\u53f7<\/span><\/p> \n

\u516d\u3001\u5168\u5c40\u53d8\u91cf\u3001\u5c40\u90e8\u53d8\u91cf<\/span><\/p> \n

\u3000\u3000P = "python<\/a>"         #p\u4e3a\u5168\u5c40\u53d8\u91cf\uff0c\u53d8\u91cf\u540d\u4e00\u822c\u5927\u5199\uff0c\u53ef\u4ee5\u5171\u4eab\u4f7f\u7528<\/span>

\u3000\u3000def func():<\/span>
\u3000\u3000\u3000\u3000a = 123          #a \u4e3a\u5c40\u90e8\u53d8\u91cf\uff0c\u53d8\u91cf\u540d\u4e00\u822c\u5c0f\u5199\uff0c\u53ea\u80fd\u5728func()\u51fd\u6570\u4e2d\u4f7f\u7528<\/span>
\u3000\u3000\u3000\u3000#\u5982\u679c\u5728\u51fd\u6570\u5185\u60f3\u4fee\u6539\u5168\u5c40\u53d8\u91cf\uff0c\u5219\u9700\u8981\u4f7f\u7528\u5173\u952e\u5b57global<\/span>
\u3000\u3000\u3000\u3000global P<\/span>
\u3000\u3000\u3000\u3000P = "java<\/a>"            #\u5168\u5c40\u53d8\u91cfP\u7684\u503c\u88ab\u4fee\u6539\u4e3a"java<\/a>"<\/span>

\u3000\u3000\u3000\u3000print(a)          #\u7ed3\u679c\u4e3a123<\/span>
\u3000\u3000\u3000\u3000print(P)        #func()\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528\u5168\u5c40\u53d8\u91cf<\/span><\/p> \n<\/div>","orderid":"0","title":"day006-python\u51fd\u6570","smalltitle":"","mid":"0","fname":"Python","special_id":"0","bak_id":"0","info":"0","hits":"38","pages":"1","comments":"0","posttime":"2019-09-19 11:10:18","list":"1568862618","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":"day006-python<\/A> \u51fd\u6570<\/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":"day006-python\u51fd\u6570","lastview":"1714263081","digg_num":"0","digg_time":"0","forbidcomment":"0","ifvote":"0","heart":"","htmlname":"","city_id":"0"},"page":"1"}