{"id":533,"date":"2021-10-30T10:28:26","date_gmt":"2021-10-30T02:28:26","guid":{"rendered":"https:\/\/www.djlog.cn\/?p=533"},"modified":"2021-10-30T10:28:26","modified_gmt":"2021-10-30T02:28:26","slug":"python-%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%93%8d%e4%bd%9c%e6%96%b9%e6%b3%95%e5%a4%a7%e5%85%a8","status":"publish","type":"post","link":"https:\/\/www.djlog.cn\/?p=533","title":{"rendered":"Python \u5b57\u7b26\u4e32\u64cd\u4f5c\u65b9\u6cd5\u5927\u5168"},"content":{"rendered":"

1\u3001\u53bb\u7a7a\u683c\u53ca\u7279\u6b8a\u7b26\u53f7<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n

s.strip().lstrip().rstrip(',')<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
2\u3001\u590d\u5236\u5b57\u7b26\u4e32<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
#strcpy(sStr1,sStr2)\r\nsStr1 = 'strcpy'\r\nsStr2 = sStr1\r\nsStr1 = 'strcpy2'\r\nprint sStr2<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
3\u3001\u8fde\u63a5\u5b57\u7b26\u4e32<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
#strcat(sStr1,sStr2)\r\nsStr1 = 'strcat'\r\nsStr2 = 'append'\r\nsStr1 += sStr2\r\nprint sStr1<\/code><\/pre>\n
\n
4\u3001\u67e5\u627e\u5b57\u7b26<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
#strchr(sStr1,sStr2)\r\n# < 0 \u4e3a\u672a\u627e\u5230\r\nsStr1 = 'strchr'\r\nsStr2 = 's'\r\nnPos = sStr1.index(sStr2)\r\nprint nPos<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
5\u3001\u6bd4\u8f83\u5b57\u7b26\u4e32<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
#strcmp(sStr1,sStr2)\r\nsStr1 = 'strchr'\r\nsStr2 = 'strch'\r\nprint cmp(sStr1,sStr2)<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
6\u3001\u626b\u63cf\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u6307\u5b9a\u7684\u5b57\u7b26<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
#strspn(sStr1,sStr2)\r\nsStr1 = '12345678'\r\nsStr2 = '456'\r\n#sStr1 and chars both in sStr1 and sStr2\r\nprint len(sStr1 and sStr2)<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
7\u3001\u5b57\u7b26\u4e32\u957f\u5ea6<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
#strlen(sStr1)\r\nsStr1 = 'strlen'\r\nprint len(sStr1)<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
8\u3001\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u5927\u5c0f\u5199\u8f6c\u6362<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
S.lower() #\u5c0f\u5199 \r\nS.upper() #\u5927\u5199 \r\nS.swapcase() #\u5927\u5c0f\u5199\u4e92\u6362 \r\nS.capitalize() #\u9996\u5b57\u6bcd\u5927\u5199 \r\nString.capwords(S) #\u8fd9\u662f\u6a21\u5757\u4e2d\u7684\u65b9\u6cd5\u3002\u5b83\u628aS\u7528split()\u51fd\u6570\u5206\u5f00\uff0c\u7136\u540e\u7528capitalize()\u628a\u9996\u5b57\u6bcd\u53d8\u6210\u5927\u5199\uff0c\u6700\u540e\u7528join()\u5408\u5e76\u5230\u4e00\u8d77 \r\n\r\n#\u5b9e\u4f8b\uff1a\r\n#strlwr(sStr1)\r\nsStr1 = 'JCstrlwr'\r\nsStr1 = sStr1.upper()\r\n#sStr1 = sStr1.lower()\r\nprint sStr1<\/code><\/pre>\n
\n
9\u3001\u8ffd\u52a0\u6307\u5b9a\u957f\u5ea6\u7684\u5b57\u7b26\u4e32<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
#strncat(sStr1,sStr2,n)\r\nsStr1 = '12345'\r\nsStr2 = 'abcdef'\r\nn = 3\r\nsStr1 += sStr2[0:n]\r\nprint sStr1<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
10\u3001\u5b57\u7b26\u4e32\u6307\u5b9a\u957f\u5ea6\u6bd4\u8f83<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
#strncmp(sStr1,sStr2,n)\r\nsStr1 = '12345'\r\nsStr2 = '123bc'\r\nn = 3\r\nprint cmp(sStr1[0:n],sStr2[0:n])<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
11\u3001\u590d\u5236\u6307\u5b9a\u957f\u5ea6\u7684\u5b57\u7b26<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
#strncpy(sStr1,sStr2,n)\r\nsStr1 = ''\r\nsStr2 = '12345'\r\nn = 3\r\nsStr1 = sStr2[0:n]\r\nprint sStr1<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
12\u3001\u5c06\u5b57\u7b26\u4e32\u524dn\u4e2a\u5b57\u7b26\u66ff\u6362\u4e3a\u6307\u5b9a\u7684\u5b57\u7b26<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
#strnset(sStr1,ch,n)\r\nsStr1 = '12345'\r\nch = 'r'\r\nn = 3\r\nsStr1 = n * ch + sStr1[3:]\r\nprint sStr1<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
13\u3001\u626b\u63cf\u5b57\u7b26\u4e32<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
#strpbrk(sStr1,sStr2)\r\nsStr1 = 'cekjgdklab'\r\nsStr2 = 'gka'\r\nnPos = -1\r\nfor c in sStr1:\r\n    if c in sStr2:\r\n        nPos = sStr1.index(c)\r\n        break\r\nprint nPos<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
14\u3001\u7ffb\u8f6c\u5b57\u7b26\u4e32<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
#strrev(sStr1)\r\nsStr1 = 'abcdefg'\r\nsStr1 = sStr1[::-1]\r\nprint sStr1<\/code><\/pre>\n
\n
15\u3001\u67e5\u627e\u5b57\u7b26\u4e32<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
#strstr(sStr1,sStr2)\r\nsStr1 = 'abcdefg'\r\nsStr2 = 'cde'\r\nprint sStr1.find(sStr2)<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
16\u3001\u5206\u5272\u5b57\u7b26\u4e32<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
#strtok(sStr1,sStr2)\r\nsStr1 = 'ab,cde,fgh,ijk'\r\nsStr2 = ','\r\nsStr1 = sStr1[sStr1.find(sStr2) + 1:]\r\nprint sStr1\r\n#\u6216\u8005\r\ns = 'ab,cde,fgh,ijk'\r\nprint(s.split(','))<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
17\u3001\u8fde\u63a5\u5b57\u7b26\u4e32<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
delimiter = ','\r\nmylist = ['Brazil', 'Russia', 'India', 'China']\r\nprint delimiter.join(mylist)<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
18\u3001PHP \u4e2d addslashes \u7684\u5b9e\u73b0<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
def addslashes(s):\r\n    d = {'\"':'\\\\\"', \"'\":\"\\\\'\", \"\\0\":\"\\\\\\0\", \"\\\\\":\"\\\\\\\\\"}\r\n    return ''.join(d.get(c, c) for c in s)\r\n\r\ns = \"John 'Johny' Doe (a.k.a. \\\"Super Joe\\\")\\\\\\0\"\r\nprint s\r\nprint addslashes(s)<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
19\u3001\u53ea\u663e\u793a\u5b57\u6bcd\u4e0e\u6570\u5b57<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
def OnlyCharNum(s,oth=''):\r\n    s2 = s.lower();\r\n    fomart = 'abcdefghijklmnopqrstuvwxyz0123456789'\r\n    for c in s2:\r\n        if not c in fomart:\r\n            s = s.replace(c,'');\r\n    return s;\r\n\r\nprint(OnlyStr(\"a000 aa-b\"))<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
20\u3001\u622a\u53d6\u5b57\u7b26\u4e32<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
str = '0123456789\u2032\r\nprint str[0:3] #\u622a\u53d6\u7b2c\u4e00\u4f4d\u5230\u7b2c\u4e09\u4f4d\u7684\u5b57\u7b26\r\nprint str[:] #\u622a\u53d6\u5b57\u7b26\u4e32\u7684\u5168\u90e8\u5b57\u7b26\r\nprint str[6:] #\u622a\u53d6\u7b2c\u4e03\u4e2a\u5b57\u7b26\u5230\u7ed3\u5c3e\r\nprint str[:-3] #\u622a\u53d6\u4ece\u5934\u5f00\u59cb\u5230\u5012\u6570\u7b2c\u4e09\u4e2a\u5b57\u7b26\u4e4b\u524d\r\nprint str[2] #\u622a\u53d6\u7b2c\u4e09\u4e2a\u5b57\u7b26\r\nprint str[-1] #\u622a\u53d6\u5012\u6570\u7b2c\u4e00\u4e2a\u5b57\u7b26\r\nprint str[::-1] #\u521b\u9020\u4e00\u4e2a\u4e0e\u539f\u5b57\u7b26\u4e32\u987a\u5e8f\u76f8\u53cd\u7684\u5b57\u7b26\u4e32\r\nprint str[-3:-1] #\u622a\u53d6\u5012\u6570\u7b2c\u4e09\u4f4d\u4e0e\u5012\u6570\u7b2c\u4e00\u4f4d\u4e4b\u524d\u7684\u5b57\u7b26\r\nprint str[-3:] #\u622a\u53d6\u5012\u6570\u7b2c\u4e09\u4f4d\u5230\u7ed3\u5c3e\r\nprint str[:-5:-3] #\u9006\u5e8f\u622a\u53d6\uff0c\u5177\u4f53\u5565\u610f\u601d\u6ca1\u641e\u660e\u767d\uff1f<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
21\u3001\u5b57\u7b26\u4e32\u5728\u8f93\u51fa\u65f6\u7684\u5bf9\u9f50\u00a0<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
S.ljust(width,[fillchar]) \r\n#\u8f93\u51fawidth\u4e2a\u5b57\u7b26\uff0cS\u5de6\u5bf9\u9f50\uff0c\u4e0d\u8db3\u90e8\u5206\u7528fillchar\u586b\u5145\uff0c\u9ed8\u8ba4\u7684\u4e3a\u7a7a\u683c\u3002 \r\nS.rjust(width,[fillchar]) #\u53f3\u5bf9\u9f50 \r\nS.center(width, [fillchar]) #\u4e2d\u95f4\u5bf9\u9f50 \r\nS.zfill(width) #\u628aS\u53d8\u6210width\u957f\uff0c\u5e76\u5728\u53f3\u5bf9\u9f50\uff0c\u4e0d\u8db3\u90e8\u5206\u75280\u8865\u8db3<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
22\u3001\u5b57\u7b26\u4e32\u4e2d\u7684\u641c\u7d22\u548c\u66ff\u6362\u00a0<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
S.find(substr, [start, [end]]) \r\n#\u8fd4\u56deS\u4e2d\u51fa\u73b0substr\u7684\u7b2c\u4e00\u4e2a\u5b57\u6bcd\u7684\u6807\u53f7\uff0c\u5982\u679cS\u4e2d\u6ca1\u6709substr\u5219\u8fd4\u56de-1\u3002start\u548cend\u4f5c\u7528\u5c31\u76f8\u5f53\u4e8e\u5728S[start:end]\u4e2d\u641c\u7d22 \r\n\r\nS.index(substr, [start, [end]]) \r\n#\u4e0efind()\u76f8\u540c\uff0c\u53ea\u662f\u5728S\u4e2d\u6ca1\u6709substr\u65f6\uff0c\u4f1a\u8fd4\u56de\u4e00\u4e2a\u8fd0\u884c\u65f6\u9519\u8bef \r\n\r\nS.rfind(substr, [start, [end]]) \r\n#\u8fd4\u56deS\u4e2d\u6700\u540e\u51fa\u73b0\u7684substr\u7684\u7b2c\u4e00\u4e2a\u5b57\u6bcd\u7684\u6807\u53f7\uff0c\u5982\u679cS\u4e2d\u6ca1\u6709substr\u5219\u8fd4\u56de-1\uff0c\u4e5f\u5c31\u662f\u8bf4\u4ece\u53f3\u8fb9\u7b97\u8d77\u7684\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684substr\u7684\u9996\u5b57\u6bcd\u6807\u53f7 \r\n\r\nS.rindex(substr, [start, [end]]) \r\nS.count(substr, [start, [end]]) #\u8ba1\u7b97substr\u5728S\u4e2d\u51fa\u73b0\u7684\u6b21\u6570 \r\n\r\nS.replace(oldstr, newstr, [count]) \r\n#\u628aS\u4e2d\u7684oldstar\u66ff\u6362\u4e3anewstr\uff0ccount\u4e3a\u66ff\u6362\u6b21\u6570\u3002\u8fd9\u662f\u66ff\u6362\u7684\u901a\u7528\u5f62\u5f0f\uff0c\u8fd8\u6709\u4e00\u4e9b\u51fd\u6570\u8fdb\u884c\u7279\u6b8a\u5b57\u7b26\u7684\u66ff\u6362 \r\n\r\nS.strip([chars]) \r\n#\u628aS\u4e2d\u524d\u540echars\u4e2d\u6709\u7684\u5b57\u7b26\u5168\u90e8\u53bb\u6389\uff0c\u53ef\u4ee5\u7406\u89e3\u4e3a\u628aS\u524d\u540echars\u66ff\u6362\u4e3aNone \r\n\r\nS.lstrip([chars]) \r\nS.rstrip([chars]) \r\nS.expandtabs([tabsize]) \r\n#\u628aS\u4e2d\u7684tab\u5b57\u7b26\u66ff\u6362\u6ca1\u7a7a\u683c\uff0c\u6bcf\u4e2atab\u66ff\u6362\u4e3atabsize\u4e2a\u7a7a\u683c\uff0c\u9ed8\u8ba4\u662f8\u4e2a<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
23\u3001\u5b57\u7b26\u4e32\u7684\u5206\u5272\u548c\u7ec4\u5408\u00a0<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
S.split([sep, [maxsplit]]) \r\n#\u4ee5sep\u4e3a\u5206\u9694\u7b26\uff0c\u628aS\u5206\u6210\u4e00\u4e2alist\u3002maxsplit\u8868\u793a\u5206\u5272\u7684\u6b21\u6570\u3002\u9ed8\u8ba4\u7684\u5206\u5272\u7b26\u4e3a\u7a7a\u767d\u5b57\u7b26 \r\n\r\nS.rsplit([sep, [maxsplit]]) \r\nS.splitlines([keepends]) \r\n#\u628aS\u6309\u7167\u884c\u5206\u5272\u7b26\u5206\u4e3a\u4e00\u4e2alist\uff0ckeepends\u662f\u4e00\u4e2abool\u503c\uff0c\u5982\u679c\u4e3a\u771f\u6bcf\u884c\u540e\u800c\u4f1a\u4fdd\u7559\u884c\u5206\u5272\u7b26\u3002 \r\n\r\nS.join(seq) #\u628aseq\u4ee3\u8868\u7684\u5e8f\u5217\u2500\u2500\u5b57\u7b26\u4e32\u5e8f\u5217\uff0c\u7528S\u8fde\u63a5\u8d77\u6765<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
24\u3001\u5b57\u7b26\u4e32\u7684mapping\uff0c\u8fd9\u4e00\u529f\u80fd\u5305\u542b\u4e24\u4e2a\u51fd\u6570\u00a0<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
String.maketrans(from, to) \r\n#\u8fd4\u56de\u4e00\u4e2a256\u4e2a\u5b57\u7b26\u7ec4\u6210\u7684\u7ffb\u8bd1\u8868\uff0c\u5176\u4e2dfrom\u4e2d\u7684\u5b57\u7b26\u88ab\u4e00\u4e00\u5bf9\u5e94\u5730\u8f6c\u6362\u6210to\uff0c\u6240\u4ee5from\u548cto\u5fc5\u987b\u662f\u7b49\u957f\u7684\u3002 \r\n\r\nS.translate(table[,deletechars]) \r\n# \u4f7f\u7528\u4e0a\u9762\u7684\u51fd\u6570\u4ea7\u540e\u7684\u7ffb\u8bd1\u8868\uff0c\u628aS\u8fdb\u884c\u7ffb\u8bd1\uff0c\u5e76\u628adeletechars\u4e2d\u6709\u7684\u5b57\u7b26\u5220\u6389\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5982\u679cS\u4e3aunicode\u5b57\u7b26\u4e32\uff0c\u90a3\u4e48\u5c31\u4e0d\u652f\u6301 deletechars\u53c2\u6570\uff0c\r\n# \u53ef\u4ee5\u4f7f\u7528\u628a\u67d0\u4e2a\u5b57\u7b26\u7ffb\u8bd1\u4e3aNone\u7684\u65b9\u5f0f\u5b9e\u73b0\u76f8\u540c\u7684\u529f\u80fd\u3002\u6b64\u5916\u8fd8\u53ef\u4ee5\u4f7f\u7528codecs\u6a21\u5757\u7684\u529f\u80fd\u6765\u521b\u5efa\u66f4\u52a0\u529f\u80fd\u5f3a\u5927\u7684\u7ffb\u8bd1\u8868\u3002<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
25\u3001\u5b57\u7b26\u4e32\u8fd8\u6709\u4e00\u5bf9\u7f16\u7801\u548c\u89e3\u7801\u7684\u51fd\u6570\u00a0<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
S.encode([encoding,[errors]]) \r\n# \u5176\u4e2dencoding\u53ef\u4ee5\u6709\u591a\u79cd\u503c\uff0c\u6bd4\u5982gb2312 gbk gb18030 bz2 zlib big5 bzse64\u7b49\u90fd\u652f\u6301\u3002errors\u9ed8\u8ba4\u503c\u4e3a\"strict\"\uff0c\u610f\u601d\u662fUnicodeError\u3002\u53ef\u80fd\u7684\u503c\u8fd8\u6709'ignore', 'replace', 'xmlcharrefreplace', 'backslashreplace' \u548c\u6240\u6709\u7684\u901a\u8fc7codecs.register_error\u6ce8\u518c\u7684\u503c\u3002\u8fd9\u4e00\u90e8\u5206\u5185\u5bb9\u6d89\u53cacodecs\u6a21\u5757\uff0c\u4e0d\u662f\u7279\u660e\u767d \r\nS.decode([encoding,[errors]])<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
26\u3001\u5b57\u7b26\u4e32\u7684\u6d4b\u8bd5\u3001\u5224\u65ad\u51fd\u6570\uff0c\u8fd9\u4e00\u7c7b\u51fd\u6570\u5728string\u6a21\u5757\u4e2d\u6ca1\u6709\uff0c\u8fd9\u4e9b\u51fd\u6570\u8fd4\u56de\u7684\u90fd\u662fbool\u503c\u00a0<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
S.startswith(prefix[,start[,end]]) #\u662f\u5426\u4ee5prefix\u5f00\u5934 \r\nS.endswith(suffix[,start[,end]]) #\u4ee5suffix\u7ed3\u5c3e \r\nS.isalnum() #\u662f\u5426\u5168\u662f\u5b57\u6bcd\u548c\u6570\u5b57\uff0c\u5e76\u81f3\u5c11\u6709\u4e00\u4e2a\u5b57\u7b26 \r\nS.isalpha() #\u662f\u5426\u5168\u662f\u5b57\u6bcd\uff0c\u5e76\u81f3\u5c11\u6709\u4e00\u4e2a\u5b57\u7b26 \r\nS.isdigit() #\u662f\u5426\u5168\u662f\u6570\u5b57\uff0c\u5e76\u81f3\u5c11\u6709\u4e00\u4e2a\u5b57\u7b26 \r\nS.isspace() #\u662f\u5426\u5168\u662f\u7a7a\u767d\u5b57\u7b26\uff0c\u5e76\u81f3\u5c11\u6709\u4e00\u4e2a\u5b57\u7b26 \r\nS.islower() #S\u4e2d\u7684\u5b57\u6bcd\u662f\u5426\u5168\u662f\u5c0f\u5199 \r\nS.isupper() #S\u4e2d\u7684\u5b57\u6bcd\u662f\u5426\u4fbf\u662f\u5927\u5199 \r\nS.istitle() #S\u662f\u5426\u662f\u9996\u5b57\u6bcd\u5927\u5199\u7684<\/code><\/pre>\n
\u00a0<\/span><\/span><\/p>\n
27\u3001\u5b57\u7b26\u4e32\u7c7b\u578b\u8f6c\u6362\u51fd\u6570\uff0c\u8fd9\u51e0\u4e2a\u51fd\u6570\u53ea\u5728string\u6a21\u5757\u4e2d\u6709<\/span><\/span><\/p>\n
\u4ee3\u7801\u5982\u4e0b:<\/span><\/span><\/p>\n
string.atoi(s[,base]) \r\n#base\u9ed8\u8ba4\u4e3a10\uff0c\u5982\u679c\u4e3a0,\u90a3\u4e48s\u5c31\u53ef\u4ee5\u662f012\u62160x23\u8fd9\u79cd\u5f62\u5f0f\u7684\u5b57\u7b26\u4e32\uff0c\u5982\u679c\u662f16\u90a3\u4e48s\u5c31\u53ea\u80fd\u662f0x23\u62160X12\u8fd9\u79cd\u5f62\u5f0f\u7684\u5b57\u7b26\u4e32 \r\nstring.atol(s[,base]) #\u8f6c\u6210long \r\nstring.atof(s[,base]) #\u8f6c\u6210float<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
1\u3001\u53bb\u7a7a\u683c\u53ca\u7279\u6b8a\u7b26\u53f7 \u4ee3\u7801\u5982\u4e0b: s.strip().lstrip().rstrip(‘,’) \u00a0 2\u3001\u590d\u5236\u5b57 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[17],"tags":[55],"class_list":["post-533","post","type-post","status-publish","format-standard","hentry","category-python","tag-55"],"_links":{"self":[{"href":"https:\/\/www.djlog.cn\/index.php?rest_route=\/wp\/v2\/posts\/533","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.djlog.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.djlog.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.djlog.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.djlog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=533"}],"version-history":[{"count":0,"href":"https:\/\/www.djlog.cn\/index.php?rest_route=\/wp\/v2\/posts\/533\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.djlog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=533"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.djlog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=533"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.djlog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}