{"id":583,"date":"2025-10-23T15:24:38","date_gmt":"2025-10-23T07:24:38","guid":{"rendered":"http:\/\/www.pyteam.cn\/?p=583"},"modified":"2025-10-23T15:24:38","modified_gmt":"2025-10-23T07:24:38","slug":"python3-%e5%ad%97%e7%ac%a6%e4%b8%b2","status":"publish","type":"post","link":"http:\/\/www.pyteam.cn\/index.php\/2025\/10\/23\/python3-%e5%ad%97%e7%ac%a6%e4%b8%b2\/","title":{"rendered":"Python3\u00a0\u5b57\u7b26\u4e32"},"content":{"rendered":"\n

\u5b57\u7b26\u4e32\u662f Python \u4e2d\u6700\u5e38\u7528\u7684\u6570\u636e\u7c7b\u578b\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5f15\u53f7( ‘<\/strong> \u6216 “<\/strong> )\u6765\u521b\u5efa\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n

\u521b\u5efa\u5b57\u7b26\u4e32\u5f88\u7b80\u5355\uff0c\u53ea\u8981\u4e3a\u53d8\u91cf\u5206\u914d\u4e00\u4e2a\u503c\u5373\u53ef\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n

var1 = ‘Hello World!’ var2 = “Runoob”<\/p>\n\n\n\n

\n\n\n\n

Python \u8bbf\u95ee\u5b57\u7b26\u4e32\u4e2d\u7684\u503c<\/h2>\n\n\n\n

Python \u4e0d\u652f\u6301\u5355\u5b57\u7b26\u7c7b\u578b\uff0c\u5355\u5b57\u7b26\u5728 Python \u4e2d\u4e5f\u662f\u4f5c\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u4f7f\u7528\u3002<\/p>\n\n\n\n

Python \u8bbf\u95ee\u5b50\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7 []<\/strong> \u6765\u622a\u53d6\u5b57\u7b26\u4e32\uff0c\u5b57\u7b26\u4e32\u7684\u622a\u53d6\u7684\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u53d8\u91cf[\u5934\u4e0b\u6807:\u5c3e\u4e0b\u6807]<\/pre>\n\n\n\n
\u7d22\u5f15\u503c\u4ee5 0<\/strong> \u4e3a\u5f00\u59cb\u503c\uff0c-1<\/strong> \u4e3a\u4ece\u672b\u5c3e\u7684\u5f00\u59cb\u4f4d\u7f6e\u3002<\/p>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n
\u5982\u4e0b\u5b9e\u4f8b\uff1a<\/p>\n\n\n\n
\u5b9e\u4f8b(Python 3.0+)<\/h2>\n\n\n\n
#!\/usr\/bin\/python3 var1 = ‘Hello World!’ var2 = “Runoob” print (“var1[0]: “, var1[0]) print (“var2[1:5]: “, var2[1:5])<\/p>\n\n\n\n
\u4ee5\u4e0a\u5b9e\u4f8b\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n\n\n\n
var1[0]:  H\nvar2[1:5]:  unoo<\/pre>\n\n\n\n
\n\n\n\n
Python \u5b57\u7b26\u4e32\u66f4\u65b0<\/h2>\n\n\n\n
\u4f60\u53ef\u4ee5\u622a\u53d6\u5b57\u7b26\u4e32\u7684\u4e00\u90e8\u5206\u5e76\u4e0e\u5176\u4ed6\u5b57\u6bb5\u62fc\u63a5\uff0c\u5982\u4e0b\u5b9e\u4f8b\uff1a<\/p>\n\n\n\n
\u5b9e\u4f8b(Python 3.0+)<\/h2>\n\n\n\n
#!\/usr\/bin\/python3 var1 = ‘Hello World!’ print (“\u5df2\u66f4\u65b0\u5b57\u7b26\u4e32 : “, var1[:6] + ‘Runoob!’)<\/p>\n\n\n\n
\u4ee5\u4e0a\u5b9e\u4f8b\u6267\u884c\u7ed3\u679c<\/p>\n\n\n\n
\u5df2\u66f4\u65b0\u5b57\u7b26\u4e32 :  Hello Runoob!<\/pre>\n\n\n\n
\n\n\n\n
Python \u8f6c\u4e49\u5b57\u7b26<\/h2>\n\n\n\n
\u5728\u9700\u8981\u5728\u5b57\u7b26\u4e2d\u4f7f\u7528\u7279\u6b8a\u5b57\u7b26\u65f6\uff0cpython \u7528\u53cd\u659c\u6760 \\<\/strong> \u8f6c\u4e49\u5b57\u7b26\u3002\u5982\u4e0b\u8868\uff1a<\/p>\n\n\n\n
\u8f6c\u4e49\u5b57\u7b26<\/th>\u63cf\u8ff0<\/th>\u5b9e\u4f8b<\/th><\/tr><\/thead>
\\(\u5728\u884c\u5c3e\u65f6)<\/td>\u7eed\u884c\u7b26<\/td>>>> print(“line1 \\ … line2 \\ … line3”) line1 line2 line3 >>><\/td><\/tr>
\\\\<\/td>\u53cd\u659c\u6760\u7b26\u53f7<\/td>>>> print(“\\\\”) \\<\/td><\/tr>
\\’<\/td>\u5355\u5f15\u53f7<\/td>>>> print(‘\\”) ‘<\/td><\/tr>
\\”<\/td>\u53cc\u5f15\u53f7<\/td>>>> print(“\\””) “<\/td><\/tr>
\\a<\/td>\u54cd\u94c3<\/td>>>> print(“\\a”)\u6267\u884c\u540e\u7535\u8111\u6709\u54cd\u58f0\u3002<\/td><\/tr>
\\b<\/td>\u9000\u683c(Backspace)<\/td>>>> print(“Hello \\b World!”) Hello World!<\/td><\/tr>
\\000<\/td>\u7a7a<\/td>>>> print(“\\000”) >>><\/td><\/tr>
\\n<\/td>\u6362\u884c<\/td>>>> print(“\\n”) >>><\/td><\/tr>
\\v<\/td>\u7eb5\u5411\u5236\u8868\u7b26<\/td>>>> print(“Hello \\v World!”) Hello World! >>><\/td><\/tr>
\\t<\/td>\u6a2a\u5411\u5236\u8868\u7b26<\/td>>>> print(“Hello \\t World!”) Hello      World! >>><\/td><\/tr>
\\r<\/td>\u56de\u8f66\uff0c\u5c06 \\r<\/strong> \u540e\u9762\u7684\u5185\u5bb9\u79fb\u5230\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5e76\u9010\u4e00\u66ff\u6362\u5f00\u5934\u90e8\u5206\u7684\u5b57\u7b26\uff0c\u76f4\u81f3\u5c06 \\r<\/strong> \u540e\u9762\u7684\u5185\u5bb9\u5b8c\u5168\u66ff\u6362\u5b8c\u6210\u3002<\/td>>>> print(“Hello\\rWorld!”) World! >>> print(‘google runoob taobao\\r123456’) 123456 runoob taobao<\/td><\/tr>
\\f<\/td>\u6362\u9875<\/td>>>> print(“Hello \\f World!”) Hello World! >>><\/td><\/tr>
\\yyy<\/td>\u516b\u8fdb\u5236\u6570\uff0cy \u4ee3\u8868 0~7 \u7684\u5b57\u7b26\uff0c\u4f8b\u5982\uff1a\\012 \u4ee3\u8868\u6362\u884c\u3002<\/td>>>> print(“\\110\\145\\154\\154\\157\\40\\127\\157\\162\\154\\144\\41”) Hello World!<\/td><\/tr>
\\xyy<\/td>\u5341\u516d\u8fdb\u5236\u6570\uff0c\u4ee5 \\x \u5f00\u5934\uff0cy \u4ee3\u8868\u7684\u5b57\u7b26\uff0c\u4f8b\u5982\uff1a\\x0a \u4ee3\u8868\u6362\u884c<\/td>>>> print(“\\x48\\x65\\x6c\\x6c\\x6f\\x20\\x57\\x6f\\x72\\x6c\\x64\\x21”) Hello World!<\/td><\/tr>
\\other<\/td>\u5176\u5b83\u7684\u5b57\u7b26\u4ee5\u666e\u901a\u683c\u5f0f\u8f93\u51fa<\/td> <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u4f7f\u7528 \\r <\/strong>\u5b9e\u73b0\u767e\u5206\u6bd4\u8fdb\u5ea6\uff1a<\/p>\n\n\n\n
\u5b9e\u4f8b<\/h2>\n\n\n\n
import<\/strong> time<\/p>\n\n\n\n
for<\/strong> i in<\/strong> range(101): # \u6dfb\u52a0\u8fdb\u5ea6\u6761\u56fe\u5f62\u548c\u767e\u5206\u6bd4
    bar = ‘[‘ + ‘=’ * (i \/\/ 2) + ‘ ‘ * (50 – i \/\/ 2) + ‘]’
 print<\/strong>(f”\\r<\/strong>{bar} {i:3}%”, end=”, flush=True)
 time.sleep(0.05)
print<\/strong>()<\/p>\n\n\n\n
\u4ee5\u4e0b\u5b9e\u4f8b\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u4e0d\u540c\u7684\u8f6c\u4e49\u5b57\u7b26\u6765\u6f14\u793a\u5355\u5f15\u53f7\u3001\u6362\u884c\u7b26\u3001\u5236\u8868\u7b26\u3001\u9000\u683c\u7b26\u3001\u6362\u9875\u7b26\u3001ASCII\u3001\u4e8c\u8fdb\u5236\u3001\u516b\u8fdb\u5236\u6570\u548c\u5341\u516d\u8fdb\u5236\u6570\u7684\u6548\u679c\uff1a<\/p>\n\n\n\n
\u5b9e\u4f8b<\/h2>\n\n\n\n
print<\/strong>(‘\\’<\/strong>Hello, world!\\’<\/strong>‘) # \u8f93\u51fa\uff1a’Hello, world!’<\/p>\n\n\n\n
print<\/strong>(“Hello, world!\\n<\/strong>How are you?”) # \u8f93\u51fa\uff1aHello, world!
 #       How are you?<\/p>\n\n\n\n
print<\/strong>(“Hello, world!\\t<\/strong>How are you?”) # \u8f93\u51fa\uff1aHello, world!    How are you?<\/p>\n\n\n\n
print<\/strong>(“Hello,\\b<\/strong> world!”) # \u8f93\u51fa\uff1aHello world!<\/p>\n\n\n\n
print<\/strong>(“Hello,\\f<\/strong> world!”) # \u8f93\u51fa\uff1a
# Hello,
#  world!<\/p>\n\n\n\n
print<\/strong>(“A \u5bf9\u5e94\u7684 ASCII \u503c\u4e3a\uff1a”, ord(‘A’)) # \u8f93\u51fa\uff1aA \u5bf9\u5e94\u7684 ASCII \u503c\u4e3a\uff1a 65<\/p>\n\n\n\n
print<\/strong>(“\\x<\/strong>41 \u4e3a A \u7684 ASCII \u4ee3\u7801”) # \u8f93\u51fa\uff1aA \u4e3a A \u7684 ASCII \u4ee3\u7801<\/p>\n\n\n\n
decimal_number = 42
binary_number = bin(decimal_number) # \u5341\u8fdb\u5236\u8f6c\u6362\u4e3a\u4e8c\u8fdb\u5236
print<\/strong>(‘\u8f6c\u6362\u4e3a\u4e8c\u8fdb\u5236:’, binary_number) # \u8f6c\u6362\u4e3a\u4e8c\u8fdb\u5236: 0b101010<\/p>\n\n\n\n
octal_number = oct(decimal_number) # \u5341\u8fdb\u5236\u8f6c\u6362\u4e3a\u516b\u8fdb\u5236
print<\/strong>(‘\u8f6c\u6362\u4e3a\u516b\u8fdb\u5236:’, octal_number) # \u8f6c\u6362\u4e3a\u516b\u8fdb\u5236: 0o52<\/p>\n\n\n\n
hexadecimal_number = hex(decimal_number) # \u5341\u8fdb\u5236\u8f6c\u6362\u4e3a\u5341\u516d\u8fdb\u5236
print<\/strong>(‘\u8f6c\u6362\u4e3a\u5341\u516d\u8fdb\u5236:’, hexadecimal_number) # \u8f6c\u6362\u4e3a\u5341\u516d\u8fdb\u5236: 0x2a<\/p>\n\n\n\n
\n\n\n\n
Python \u5b57\u7b26\u4e32\u8fd0\u7b97\u7b26<\/h2>\n\n\n\n
\u4e0b\u8868\u5b9e\u4f8b\u53d8\u91cf a \u503c\u4e3a\u5b57\u7b26\u4e32 “Hello”\uff0cb \u53d8\u91cf\u503c\u4e3a “Python”\uff1a<\/p>\n\n\n\n
\u64cd\u4f5c\u7b26<\/th>\u63cf\u8ff0<\/th>\u5b9e\u4f8b<\/th><\/tr>
+<\/td>\u5b57\u7b26\u4e32\u8fde\u63a5<\/td>a + b \u8f93\u51fa\u7ed3\u679c\uff1a HelloPython<\/td><\/tr>
*<\/td>\u91cd\u590d\u8f93\u51fa\u5b57\u7b26\u4e32<\/td>a*2 \u8f93\u51fa\u7ed3\u679c\uff1aHelloHello<\/td><\/tr>
[]<\/td>\u901a\u8fc7\u7d22\u5f15\u83b7\u53d6\u5b57\u7b26\u4e32\u4e2d\u5b57\u7b26<\/td>a[1] \u8f93\u51fa\u7ed3\u679c e<\/strong><\/td><\/tr>
[ : ]<\/td>\u622a\u53d6\u5b57\u7b26\u4e32\u4e2d\u7684\u4e00\u90e8\u5206\uff0c\u9075\u5faa\u5de6\u95ed\u53f3\u5f00<\/strong>\u539f\u5219\uff0cstr[0:2] \u662f\u4e0d\u5305\u542b\u7b2c 3 \u4e2a\u5b57\u7b26\u7684\u3002<\/td>a[1:4] \u8f93\u51fa\u7ed3\u679c ell<\/strong><\/td><\/tr>
in<\/td>\u6210\u5458\u8fd0\u7b97\u7b26 – \u5982\u679c\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u7ed9\u5b9a\u7684\u5b57\u7b26\u8fd4\u56de True<\/td>‘H’ in a<\/strong> \u8f93\u51fa\u7ed3\u679c True<\/td><\/tr>
not in<\/td>\u6210\u5458\u8fd0\u7b97\u7b26 – \u5982\u679c\u5b57\u7b26\u4e32\u4e2d\u4e0d\u5305\u542b\u7ed9\u5b9a\u7684\u5b57\u7b26\u8fd4\u56de True<\/td>‘M’ not in a<\/strong> \u8f93\u51fa\u7ed3\u679c True<\/td><\/tr>
r\/R<\/td>\u539f\u59cb\u5b57\u7b26\u4e32 – \u539f\u59cb\u5b57\u7b26\u4e32\uff1a\u6240\u6709\u7684\u5b57\u7b26\u4e32\u90fd\u662f\u76f4\u63a5\u6309\u7167\u5b57\u9762\u7684\u610f\u601d\u6765\u4f7f\u7528\uff0c\u6ca1\u6709\u8f6c\u4e49\u7279\u6b8a\u6216\u4e0d\u80fd\u6253\u5370\u7684\u5b57\u7b26\u3002 \u539f\u59cb\u5b57\u7b26\u4e32\u9664\u5728\u5b57\u7b26\u4e32\u7684\u7b2c\u4e00\u4e2a\u5f15\u53f7\u524d\u52a0\u4e0a\u5b57\u6bcd r<\/strong>\uff08\u53ef\u4ee5\u5927\u5c0f\u5199\uff09\u4ee5\u5916\uff0c\u4e0e\u666e\u901a\u5b57\u7b26\u4e32\u6709\u7740\u51e0\u4e4e\u5b8c\u5168\u76f8\u540c\u7684\u8bed\u6cd5\u3002<\/td>print( r’\\n’ ) print( R’\\n’ )<\/td><\/tr>
%<\/td>\u683c\u5f0f\u5b57\u7b26\u4e32<\/td>\u8bf7\u770b\u4e0b\u4e00\u8282\u5185\u5bb9\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u5b9e\u4f8b(Python 3.0+)<\/h2>\n\n\n\n
#!\/usr\/bin\/python3 a = “Hello” b = “Python” print(“a + b \u8f93\u51fa\u7ed3\u679c\uff1a”, a + b) print(“a * 2 \u8f93\u51fa\u7ed3\u679c\uff1a”, a * 2) print(“a[1] \u8f93\u51fa\u7ed3\u679c\uff1a”, a[1]) print(“a[1:4] \u8f93\u51fa\u7ed3\u679c\uff1a”, a[1:4]) if( “H” in a) : print(“H \u5728\u53d8\u91cf a \u4e2d”) else : print(“H \u4e0d\u5728\u53d8\u91cf a \u4e2d”) if( “M” not in a) : print(“M \u4e0d\u5728\u53d8\u91cf a \u4e2d”) else : print(“M \u5728\u53d8\u91cf a \u4e2d”) print (r’\\n’) print (R’\\n’)<\/p>\n\n\n\n
\u4ee5\u4e0a\u5b9e\u4f8b\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n\n\n\n
a + b \u8f93\u51fa\u7ed3\u679c\uff1a HelloPython\na * 2 \u8f93\u51fa\u7ed3\u679c\uff1a HelloHello\na[1] \u8f93\u51fa\u7ed3\u679c\uff1a e\na[1:4] \u8f93\u51fa\u7ed3\u679c\uff1a ell\nH \u5728\u53d8\u91cf a \u4e2d\nM \u4e0d\u5728\u53d8\u91cf a \u4e2d\n\\n\n\\n<\/pre>\n\n\n\n
\n\n\n\n
Python \u5b57\u7b26\u4e32\u683c\u5f0f\u5316<\/h2>\n\n\n\n
Python \u652f\u6301\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u8f93\u51fa \u3002\u5c3d\u7ba1\u8fd9\u6837\u53ef\u80fd\u4f1a\u7528\u5230\u975e\u5e38\u590d\u6742\u7684\u8868\u8fbe\u5f0f\uff0c\u4f46\u6700\u57fa\u672c\u7684\u7528\u6cd5\u662f\u5c06\u4e00\u4e2a\u503c\u63d2\u5165\u5230\u4e00\u4e2a\u6709\u5b57\u7b26\u4e32\u683c\u5f0f\u7b26 %s \u7684\u5b57\u7b26\u4e32\u4e2d\u3002<\/p>\n\n\n\n
\u5728 Python \u4e2d\uff0c\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u4f7f\u7528\u4e0e C \u4e2d sprintf \u51fd\u6570\u4e00\u6837\u7684\u8bed\u6cd5\u3002<\/p>\n\n\n\n
\u5b9e\u4f8b(Python 3.0+)<\/h2>\n\n\n\n
#!\/usr\/bin\/python3 print (“\u6211\u53eb %s \u4eca\u5e74 %d \u5c81!” % (‘\u5c0f\u660e’, 10))<\/p>\n\n\n\n
\u4ee5\u4e0a\u5b9e\u4f8b\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n\n\n\n
\u6211\u53eb \u5c0f\u660e \u4eca\u5e74 10 \u5c81!<\/pre>\n\n\n\n
python\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u7b26\u53f7:<\/p>\n\n\n\n
    \u7b26   \u53f7<\/th>\u63cf\u8ff0<\/th><\/tr>
      %c<\/td> \u683c\u5f0f\u5316\u5b57\u7b26\u53ca\u5176ASCII\u7801<\/td><\/tr>
      %s<\/td> \u683c\u5f0f\u5316\u5b57\u7b26\u4e32<\/td><\/tr>
      %d<\/td> \u683c\u5f0f\u5316\u6574\u6570<\/td><\/tr>
      %u<\/td> \u683c\u5f0f\u5316\u65e0\u7b26\u53f7\u6574\u578b<\/td><\/tr>
      %o<\/td> \u683c\u5f0f\u5316\u65e0\u7b26\u53f7\u516b\u8fdb\u5236\u6570<\/td><\/tr>
      %x<\/td> \u683c\u5f0f\u5316\u65e0\u7b26\u53f7\u5341\u516d\u8fdb\u5236\u6570<\/td><\/tr>
      %X<\/td> \u683c\u5f0f\u5316\u65e0\u7b26\u53f7\u5341\u516d\u8fdb\u5236\u6570\uff08\u5927\u5199\uff09<\/td><\/tr>
      %f<\/td> \u683c\u5f0f\u5316\u6d6e\u70b9\u6570\u5b57\uff0c\u53ef\u6307\u5b9a\u5c0f\u6570\u70b9\u540e\u7684\u7cbe\u5ea6<\/td><\/tr>
      %e<\/td> \u7528\u79d1\u5b66\u8ba1\u6570\u6cd5\u683c\u5f0f\u5316\u6d6e\u70b9\u6570<\/td><\/tr>
      %E<\/td> \u4f5c\u7528\u540c%e\uff0c\u7528\u79d1\u5b66\u8ba1\u6570\u6cd5\u683c\u5f0f\u5316\u6d6e\u70b9\u6570<\/td><\/tr>
      %g<\/td> %f\u548c%e\u7684\u7b80\u5199<\/td><\/tr>
      %G<\/td> %f \u548c %E \u7684\u7b80\u5199<\/td><\/tr>
      %p<\/td> \u7528\u5341\u516d\u8fdb\u5236\u6570\u683c\u5f0f\u5316\u53d8\u91cf\u7684\u5730\u5740<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u683c\u5f0f\u5316\u64cd\u4f5c\u7b26\u8f85\u52a9\u6307\u4ee4:<\/p>\n\n\n\n
\u7b26\u53f7<\/th>\u529f\u80fd<\/th><\/tr>
*<\/td>\u5b9a\u4e49\u5bbd\u5ea6\u6216\u8005\u5c0f\u6570\u70b9\u7cbe\u5ea6<\/td><\/tr>
–<\/td>\u7528\u505a\u5de6\u5bf9\u9f50<\/td><\/tr>
+<\/td>\u5728\u6b63\u6570\u524d\u9762\u663e\u793a\u52a0\u53f7( + )<\/td><\/tr>
<sp><\/td>\u5728\u6b63\u6570\u524d\u9762\u663e\u793a\u7a7a\u683c<\/td><\/tr>
#<\/td>\u5728\u516b\u8fdb\u5236\u6570\u524d\u9762\u663e\u793a\u96f6(‘0′)\uff0c\u5728\u5341\u516d\u8fdb\u5236\u524d\u9762\u663e\u793a’0x’\u6216\u8005’0X'(\u53d6\u51b3\u4e8e\u7528\u7684\u662f’x’\u8fd8\u662f’X’)<\/td><\/tr>
0<\/td>\u663e\u793a\u7684\u6570\u5b57\u524d\u9762\u586b\u5145’0’\u800c\u4e0d\u662f\u9ed8\u8ba4\u7684\u7a7a\u683c<\/td><\/tr>
%<\/td>‘%%’\u8f93\u51fa\u4e00\u4e2a\u5355\u4e00\u7684’%’<\/td><\/tr>
(var)<\/td>\u6620\u5c04\u53d8\u91cf(\u5b57\u5178\u53c2\u6570)<\/td><\/tr>
m.n.<\/td>m \u662f\u663e\u793a\u7684\u6700\u5c0f\u603b\u5bbd\u5ea6,n \u662f\u5c0f\u6570\u70b9\u540e\u7684\u4f4d\u6570(\u5982\u679c\u53ef\u7528\u7684\u8bdd)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
Python2.6 \u5f00\u59cb\uff0c\u65b0\u589e\u4e86\u4e00\u79cd\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u51fd\u6570 str.format()<\/a>\uff0c\u5b83\u589e\u5f3a\u4e86\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n
\n\n\n\n
Python\u4e09\u5f15\u53f7<\/h2>\n\n\n\n
python\u4e09\u5f15\u53f7\u5141\u8bb8\u4e00\u4e2a\u5b57\u7b26\u4e32\u8de8\u591a\u884c\uff0c\u5b57\u7b26\u4e32\u4e2d\u53ef\u4ee5\u5305\u542b\u6362\u884c\u7b26\u3001\u5236\u8868\u7b26\u4ee5\u53ca\u5176\u4ed6\u7279\u6b8a\u5b57\u7b26\u3002\u5b9e\u4f8b\u5982\u4e0b<\/p>\n\n\n\n
\u5b9e\u4f8b(Python 3.0+)<\/h2>\n\n\n\n
#!\/usr\/bin\/python3 para_str = “””\u8fd9\u662f\u4e00\u4e2a\u591a\u884c\u5b57\u7b26\u4e32\u7684\u5b9e\u4f8b \u591a\u884c\u5b57\u7b26\u4e32\u53ef\u4ee5\u4f7f\u7528\u5236\u8868\u7b26 TAB ( \\t )\u3002 \u4e5f\u53ef\u4ee5\u4f7f\u7528\u6362\u884c\u7b26 [ \\n ]\u3002 “”” print (para_str)<\/p>\n\n\n\n
\u4ee5\u4e0a\u5b9e\u4f8b\u6267\u884c\u7ed3\u679c\u4e3a\uff1a<\/p>\n\n\n\n
\u8fd9\u662f\u4e00\u4e2a\u591a\u884c\u5b57\u7b26\u4e32\u7684\u5b9e\u4f8b\n\u591a\u884c\u5b57\u7b26\u4e32\u53ef\u4ee5\u4f7f\u7528\u5236\u8868\u7b26\nTAB (    )\u3002\n\u4e5f\u53ef\u4ee5\u4f7f\u7528\u6362\u884c\u7b26 [ \n ]\u3002<\/pre>\n\n\n\n
\u4e09\u5f15\u53f7\u8ba9\u7a0b\u5e8f\u5458\u4ece\u5f15\u53f7\u548c\u7279\u6b8a\u5b57\u7b26\u4e32\u7684\u6ce5\u6f6d\u91cc\u9762\u89e3\u8131\u51fa\u6765\uff0c\u81ea\u59cb\u81f3\u7ec8\u4fdd\u6301\u4e00\u5c0f\u5757\u5b57\u7b26\u4e32\u7684\u683c\u5f0f\u662f\u6240\u8c13\u7684WYSIWYG\uff08\u6240\u89c1\u5373\u6240\u5f97\uff09\u683c\u5f0f\u7684\u3002<\/p>\n\n\n\n
\u4e00\u4e2a\u5178\u578b\u7684\u7528\u4f8b\u662f\uff0c\u5f53\u4f60\u9700\u8981\u4e00\u5757HTML\u6216\u8005SQL\u65f6\uff0c\u8fd9\u65f6\u7528\u5b57\u7b26\u4e32\u7ec4\u5408\uff0c\u7279\u6b8a\u5b57\u7b26\u4e32\u8f6c\u4e49\u5c06\u4f1a\u975e\u5e38\u7684\u7e41\u7410\u3002<\/p>\n\n\n\n
errHTML = ”’ <HTML><HEAD><TITLE> Friends CGI Demo<\/TITLE><\/HEAD> <BODY><H3>ERROR<\/H3> <B>%s<\/B><P> <FORM><INPUT TYPE=button VALUE=Back ONCLICK=”window.history.back()”><\/FORM> <\/BODY><\/HTML> ”’ cursor.execute(”’ CREATE TABLE users ( login VARCHAR(8), uid INTEGER, prid INTEGER) ”’)<\/p>\n\n\n\n
\n\n\n\n
f-string<\/h2>\n\n\n\n
f-string \u662f python3.6 \u4e4b\u540e\u7248\u672c\u6dfb\u52a0\u7684\uff0c\u79f0\u4e4b\u4e3a\u5b57\u9762\u91cf\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff0c\u662f\u65b0\u7684\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u8bed\u6cd5\u3002<\/p>\n\n\n\n
\u4e4b\u524d\u6211\u4eec\u4e60\u60ef\u7528\u767e\u5206\u53f7 (%):<\/p>\n\n\n\n
\u5b9e\u4f8b<\/h2>\n\n\n\n
>>> name = ‘Runoob’
>>> ‘Hello %s’ % name
‘Hello Runoob’<\/p>\n\n\n\n
f-string<\/strong> \u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u4ee5 f<\/strong> \u5f00\u5934\uff0c\u540e\u9762\u8ddf\u7740\u5b57\u7b26\u4e32\uff0c\u5b57\u7b26\u4e32\u4e2d\u7684\u8868\u8fbe\u5f0f\u7528\u5927\u62ec\u53f7 {} \u5305\u8d77\u6765\uff0c\u5b83\u4f1a\u5c06\u53d8\u91cf\u6216\u8868\u8fbe\u5f0f\u8ba1\u7b97\u540e\u7684\u503c\u66ff\u6362\u8fdb\u53bb\uff0c\u5b9e\u4f8b\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\u5b9e\u4f8b<\/h2>\n\n\n\n
>>> name = ‘Runoob’
>>> f’Hello {name}’ # \u66ff\u6362\u53d8\u91cf
‘Hello Runoob’
>>> f'{1+2}’  # \u4f7f\u7528\u8868\u8fbe\u5f0f
‘3’<\/p>\n\n\n\n
>>> w = {‘name’: ‘Runoob’, ‘url’: ‘www.runoob.com’}
>>> f'{w[“name”]}: {w[“url”]}’
‘Runoob: www.runoob.com’<\/p>\n\n\n\n
\u7528\u4e86\u8fd9\u79cd\u65b9\u5f0f\u660e\u663e\u66f4\u7b80\u5355\u4e86\uff0c\u4e0d\u7528\u518d\u53bb\u5224\u65ad\u4f7f\u7528 %s\uff0c\u8fd8\u662f %d\u3002<\/p>\n\n\n\n
\u5728 Python 3.8 \u7684\u7248\u672c\u4e2d\u53ef\u4ee5\u4f7f\u7528 =<\/strong> \u7b26\u53f7\u6765\u62fc\u63a5\u8fd0\u7b97\u8868\u8fbe\u5f0f\u4e0e\u7ed3\u679c\uff1a<\/p>\n\n\n\n
\u5b9e\u4f8b<\/h2>\n\n\n\n
>>> x = 1
>>> print<\/strong>(f'{x+1}’)  # Python 3.6
2<\/p>\n\n\n\n
>>> x = 1
>>> print<\/strong>(f'{x+1=}’)  # Python 3.8
x+1=2<\/p>\n\n\n\n
\n\n\n\n
Unicode \u5b57\u7b26\u4e32<\/h2>\n\n\n\n
\u5728Python2\u4e2d\uff0c\u666e\u901a\u5b57\u7b26\u4e32\u662f\u4ee58\u4f4dASCII\u7801\u8fdb\u884c\u5b58\u50a8\u7684\uff0c\u800cUnicode\u5b57\u7b26\u4e32\u5219\u5b58\u50a8\u4e3a16\u4f4dunicode\u5b57\u7b26\u4e32\uff0c\u8fd9\u6837\u80fd\u591f\u8868\u793a\u66f4\u591a\u7684\u5b57\u7b26\u96c6\u3002\u4f7f\u7528\u7684\u8bed\u6cd5\u662f\u5728\u5b57\u7b26\u4e32\u524d\u9762\u52a0\u4e0a\u524d\u7f00 u<\/strong>\u3002<\/p>\n\n\n\n
\u5728Python3\u4e2d\uff0c\u6240\u6709\u7684\u5b57\u7b26\u4e32\u90fd\u662fUnicode\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n
\n\n\n\n
Python \u7684\u5b57\u7b26\u4e32\u5185\u5efa\u51fd\u6570<\/h2>\n\n\n\n
Python \u7684\u5b57\u7b26\u4e32\u5e38\u7528\u5185\u5efa\u51fd\u6570\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\u5e8f\u53f7<\/th>\u65b9\u6cd5\u53ca\u63cf\u8ff0<\/th><\/tr>
1<\/td>capitalize()<\/a>
\u5c06\u5b57\u7b26\u4e32\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26\u8f6c\u6362\u4e3a\u5927\u5199<\/td><\/tr>
2<\/td>center(width, fillchar)<\/a>\u8fd4\u56de\u4e00\u4e2a\u6307\u5b9a\u7684\u5bbd\u5ea6 width \u5c45\u4e2d\u7684\u5b57\u7b26\u4e32\uff0cfillchar \u4e3a\u586b\u5145\u7684\u5b57\u7b26\uff0c\u9ed8\u8ba4\u4e3a\u7a7a\u683c\u3002<\/td><\/tr>
3<\/td>count(str, beg= 0,end=len(string))<\/a>
\u8fd4\u56de str \u5728 string \u91cc\u9762\u51fa\u73b0\u7684\u6b21\u6570\uff0c\u5982\u679c beg \u6216\u8005 end \u6307\u5b9a\u5219\u8fd4\u56de\u6307\u5b9a\u8303\u56f4\u5185 str \u51fa\u73b0\u7684\u6b21\u6570<\/td><\/tr>
4<\/td>bytes.decode(encoding=”utf-8″, errors=”strict”)<\/a>
Python3 \u4e2d\u6ca1\u6709 decode \u65b9\u6cd5\uff0c\u4f46\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 bytes \u5bf9\u8c61\u7684 decode() \u65b9\u6cd5\u6765\u89e3\u7801\u7ed9\u5b9a\u7684 bytes \u5bf9\u8c61\uff0c\u8fd9\u4e2a bytes \u5bf9\u8c61\u53ef\u4ee5\u7531 str.encode() \u6765\u7f16\u7801\u8fd4\u56de\u3002<\/td><\/tr>
5<\/td>encode(encoding=’UTF-8′,errors=’strict’)<\/a>
\u4ee5 encoding \u6307\u5b9a\u7684\u7f16\u7801\u683c\u5f0f\u7f16\u7801\u5b57\u7b26\u4e32\uff0c\u5982\u679c\u51fa\u9519\u9ed8\u8ba4\u62a5\u4e00\u4e2aValueError \u7684\u5f02\u5e38\uff0c\u9664\u975e errors \u6307\u5b9a\u7684\u662f’ignore’\u6216\u8005’replace’<\/td><\/tr>
6<\/td>endswith(suffix, beg=0, end=len(string))<\/a>
\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u4ee5 suffix \u7ed3\u675f\uff0c\u5982\u679c beg \u6216\u8005 end \u6307\u5b9a\u5219\u68c0\u67e5\u6307\u5b9a\u7684\u8303\u56f4\u5185\u662f\u5426\u4ee5 suffix \u7ed3\u675f\uff0c\u5982\u679c\u662f\uff0c\u8fd4\u56de True,\u5426\u5219\u8fd4\u56de False\u3002<\/td><\/tr>
7<\/td>expandtabs(tabsize=8)<\/a>
\u628a\u5b57\u7b26\u4e32 string \u4e2d\u7684 tab \u7b26\u53f7\u8f6c\u4e3a\u7a7a\u683c\uff0ctab \u7b26\u53f7\u9ed8\u8ba4\u7684\u7a7a\u683c\u6570\u662f 8 \u3002<\/td><\/tr>
8<\/td>find(str, beg=0, end=len(string))<\/a>
\u68c0\u6d4b str \u662f\u5426\u5305\u542b\u5728\u5b57\u7b26\u4e32\u4e2d\uff0c\u5982\u679c\u6307\u5b9a\u8303\u56f4 beg \u548c end \uff0c\u5219\u68c0\u67e5\u662f\u5426\u5305\u542b\u5728\u6307\u5b9a\u8303\u56f4\u5185\uff0c\u5982\u679c\u5305\u542b\u8fd4\u56de\u5f00\u59cb\u7684\u7d22\u5f15\u503c\uff0c\u5426\u5219\u8fd4\u56de-1<\/td><\/tr>
9<\/td>index(str, beg=0, end=len(string))<\/a>
\u8ddffind()\u65b9\u6cd5\u4e00\u6837\uff0c\u53ea\u4e0d\u8fc7\u5982\u679cstr\u4e0d\u5728\u5b57\u7b26\u4e32\u4e2d\u4f1a\u62a5\u4e00\u4e2a\u5f02\u5e38\u3002<\/td><\/tr>
10<\/td>isalnum()<\/a>
\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u7531\u5b57\u6bcd\u548c\u6570\u5b57\u7ec4\u6210\uff0c\u5373\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5b57\u7b26\u90fd\u662f\u5b57\u6bcd\u6216\u6570\u5b57\u3002\u5982\u679c\u5b57\u7b26\u4e32\u81f3\u5c11\u6709\u4e00\u4e2a\u5b57\u7b26\uff0c\u5e76\u4e14\u6240\u6709\u5b57\u7b26\u90fd\u662f\u5b57\u6bcd\u6216\u6570\u5b57\uff0c\u5219\u8fd4\u56de True\uff1b\u5426\u5219\u8fd4\u56de False\u3002<\/td><\/tr>
11<\/td>isalpha()<\/a>
\u5982\u679c\u5b57\u7b26\u4e32\u81f3\u5c11\u6709\u4e00\u4e2a\u5b57\u7b26\u5e76\u4e14\u6240\u6709\u5b57\u7b26\u90fd\u662f\u5b57\u6bcd\u6216\u4e2d\u6587\u5b57\u5219\u8fd4\u56de True, \u5426\u5219\u8fd4\u56de False<\/td><\/tr>
12<\/td>isdigit()<\/a>
\u5982\u679c\u5b57\u7b26\u4e32\u53ea\u5305\u542b\u6570\u5b57\u5219\u8fd4\u56de True \u5426\u5219\u8fd4\u56de False..<\/td><\/tr>
13<\/td>islower()<\/a>
\u5982\u679c\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u81f3\u5c11\u4e00\u4e2a\u533a\u5206\u5927\u5c0f\u5199\u7684\u5b57\u7b26\uff0c\u5e76\u4e14\u6240\u6709\u8fd9\u4e9b(\u533a\u5206\u5927\u5c0f\u5199\u7684)\u5b57\u7b26\u90fd\u662f\u5c0f\u5199\uff0c\u5219\u8fd4\u56de True\uff0c\u5426\u5219\u8fd4\u56de False<\/td><\/tr>
14<\/td>isnumeric()<\/a>
\u5982\u679c\u5b57\u7b26\u4e32\u4e2d\u53ea\u5305\u542b\u6570\u5b57\u5b57\u7b26\uff0c\u5219\u8fd4\u56de True\uff0c\u5426\u5219\u8fd4\u56de False<\/td><\/tr>
15<\/td>isspace()<\/a>
\u5982\u679c\u5b57\u7b26\u4e32\u4e2d\u53ea\u5305\u542b\u7a7a\u767d\uff0c\u5219\u8fd4\u56de True\uff0c\u5426\u5219\u8fd4\u56de False.<\/td><\/tr>
16<\/td>istitle()<\/a>
\u5982\u679c\u5b57\u7b26\u4e32\u662f\u6807\u9898\u5316\u7684(\u89c1 title())\u5219\u8fd4\u56de True\uff0c\u5426\u5219\u8fd4\u56de False<\/td><\/tr>
17<\/td>isupper()<\/a>
\u5982\u679c\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u81f3\u5c11\u4e00\u4e2a\u533a\u5206\u5927\u5c0f\u5199\u7684\u5b57\u7b26\uff0c\u5e76\u4e14\u6240\u6709\u8fd9\u4e9b(\u533a\u5206\u5927\u5c0f\u5199\u7684)\u5b57\u7b26\u90fd\u662f\u5927\u5199\uff0c\u5219\u8fd4\u56de True\uff0c\u5426\u5219\u8fd4\u56de False<\/td><\/tr>
18<\/td>join(seq)<\/a>
\u4ee5\u6307\u5b9a\u5b57\u7b26\u4e32\u4f5c\u4e3a\u5206\u9694\u7b26\uff0c\u5c06 seq \u4e2d\u6240\u6709\u7684\u5143\u7d20(\u7684\u5b57\u7b26\u4e32\u8868\u793a)\u5408\u5e76\u4e3a\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32<\/td><\/tr>
19<\/td>len(string)<\/a>
\u8fd4\u56de\u5b57\u7b26\u4e32\u957f\u5ea6<\/td><\/tr>
20<\/td>ljust(width[, fillchar])<\/a>
\u8fd4\u56de\u4e00\u4e2a\u539f\u5b57\u7b26\u4e32\u5de6\u5bf9\u9f50,\u5e76\u4f7f\u7528 fillchar \u586b\u5145\u81f3\u957f\u5ea6 width \u7684\u65b0\u5b57\u7b26\u4e32\uff0cfillchar \u9ed8\u8ba4\u4e3a\u7a7a\u683c\u3002<\/td><\/tr>
21<\/td>lower()<\/a>
\u8f6c\u6362\u5b57\u7b26\u4e32\u4e2d\u6240\u6709\u5927\u5199\u5b57\u7b26\u4e3a\u5c0f\u5199.<\/td><\/tr>
22<\/td>lstrip()<\/a>
\u622a\u6389\u5b57\u7b26\u4e32\u5de6\u8fb9\u7684\u7a7a\u683c\u6216\u6307\u5b9a\u5b57\u7b26\u3002<\/td><\/tr>
23<\/td>maketrans()<\/a>
\u521b\u5efa\u5b57\u7b26\u6620\u5c04\u7684\u8f6c\u6362\u8868\uff0c\u5bf9\u4e8e\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\u7684\u6700\u7b80\u5355\u7684\u8c03\u7528\u65b9\u5f0f\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u5b57\u7b26\u4e32\uff0c\u8868\u793a\u9700\u8981\u8f6c\u6362\u7684\u5b57\u7b26\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e5f\u662f\u5b57\u7b26\u4e32\u8868\u793a\u8f6c\u6362\u7684\u76ee\u6807\u3002<\/td><\/tr>
24<\/td>max(str)<\/a>
\u8fd4\u56de\u5b57\u7b26\u4e32 str \u4e2d\u6700\u5927\u7684\u5b57\u6bcd\u3002<\/td><\/tr>
25<\/td>min(str)<\/a>
\u8fd4\u56de\u5b57\u7b26\u4e32 str \u4e2d\u6700\u5c0f\u7684\u5b57\u6bcd\u3002<\/td><\/tr>
26<\/td>replace(old, new [, max])<\/a>
\u628a \u5c06\u5b57\u7b26\u4e32\u4e2d\u7684 old \u66ff\u6362\u6210 new,\u5982\u679c max \u6307\u5b9a\uff0c\u5219\u66ff\u6362\u4e0d\u8d85\u8fc7 max \u6b21\u3002<\/td><\/tr>
27<\/td>rfind(str, beg=0,end=len(string))<\/a>
\u7c7b\u4f3c\u4e8e find()\u51fd\u6570\uff0c\u4e0d\u8fc7\u662f\u4ece\u53f3\u8fb9\u5f00\u59cb\u67e5\u627e.<\/td><\/tr>
28<\/td>rindex( str, beg=0, end=len(string))<\/a>
\u7c7b\u4f3c\u4e8e index()\uff0c\u4e0d\u8fc7\u662f\u4ece\u53f3\u8fb9\u5f00\u59cb.<\/td><\/tr>
29<\/td>rjust(width,[, fillchar])<\/a>
\u8fd4\u56de\u4e00\u4e2a\u539f\u5b57\u7b26\u4e32\u53f3\u5bf9\u9f50,\u5e76\u4f7f\u7528fillchar(\u9ed8\u8ba4\u7a7a\u683c\uff09\u586b\u5145\u81f3\u957f\u5ea6 width \u7684\u65b0\u5b57\u7b26\u4e32<\/td><\/tr>
30<\/td>rstrip()<\/a>
\u5220\u9664\u5b57\u7b26\u4e32\u672b\u5c3e\u7684\u7a7a\u683c\u6216\u6307\u5b9a\u5b57\u7b26\u3002<\/td><\/tr>
31<\/td>split(str=””, num=string.count(str))<\/a>
\u4ee5 str \u4e3a\u5206\u9694\u7b26\u622a\u53d6\u5b57\u7b26\u4e32\uff0c\u5982\u679c num \u6709\u6307\u5b9a\u503c\uff0c\u5219\u4ec5\u622a\u53d6 num+1 \u4e2a\u5b50\u5b57\u7b26\u4e32<\/td><\/tr>
32<\/td>splitlines([keepends])<\/a>
\u6309\u7167\u884c(‘\\r’, ‘\\r\\n’, \\n’)\u5206\u9694\uff0c\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u5404\u884c\u4f5c\u4e3a\u5143\u7d20\u7684\u5217\u8868\uff0c\u5982\u679c\u53c2\u6570 keepends \u4e3a False\uff0c\u4e0d\u5305\u542b\u6362\u884c\u7b26\uff0c\u5982\u679c\u4e3a True\uff0c\u5219\u4fdd\u7559\u6362\u884c\u7b26\u3002<\/td><\/tr>
33<\/td>startswith(substr, beg=0,end=len(string))<\/a>
\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u662f\u4ee5\u6307\u5b9a\u5b50\u5b57\u7b26\u4e32 substr \u5f00\u5934\uff0c\u662f\u5219\u8fd4\u56de True\uff0c\u5426\u5219\u8fd4\u56de False\u3002\u5982\u679cbeg \u548c end \u6307\u5b9a\u503c\uff0c\u5219\u5728\u6307\u5b9a\u8303\u56f4\u5185\u68c0\u67e5\u3002<\/td><\/tr>
34<\/td>strip([chars])<\/a>
\u5728\u5b57\u7b26\u4e32\u4e0a\u6267\u884c lstrip()\u548c rstrip()<\/td><\/tr>
35<\/td>swapcase()<\/a>
\u5c06\u5b57\u7b26\u4e32\u4e2d\u5927\u5199\u8f6c\u6362\u4e3a\u5c0f\u5199\uff0c\u5c0f\u5199\u8f6c\u6362\u4e3a\u5927\u5199<\/td><\/tr>
36<\/td>title()<\/a>
\u8fd4\u56de”\u6807\u9898\u5316”\u7684\u5b57\u7b26\u4e32,\u5c31\u662f\u8bf4\u6240\u6709\u5355\u8bcd\u90fd\u662f\u4ee5\u5927\u5199\u5f00\u59cb\uff0c\u5176\u4f59\u5b57\u6bcd\u5747\u4e3a\u5c0f\u5199(\u89c1 istitle())<\/td><\/tr>
37<\/td>translate(table, deletechars=””)<\/a>
\u6839\u636e table \u7ed9\u51fa\u7684\u8868(\u5305\u542b 256 \u4e2a\u5b57\u7b26)\u8f6c\u6362 string \u7684\u5b57\u7b26, \u8981\u8fc7\u6ee4\u6389\u7684\u5b57\u7b26\u653e\u5230 deletechars \u53c2\u6570\u4e2d<\/td><\/tr>
38<\/td>upper()<\/a>
\u8f6c\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u5c0f\u5199\u5b57\u6bcd\u4e3a\u5927\u5199<\/td><\/tr>
39<\/td>zfill (width)<\/a>
\u8fd4\u56de\u957f\u5ea6\u4e3a width \u7684\u5b57\u7b26\u4e32\uff0c\u539f\u5b57\u7b26\u4e32\u53f3\u5bf9\u9f50\uff0c\u524d\u9762\u586b\u51450<\/td><\/tr>
40<\/td>isdecimal()<\/a>
\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u53ea\u5305\u542b\u5341\u8fdb\u5236\u5b57\u7b26\uff0c\u5982\u679c\u662f\u8fd4\u56de true\uff0c\u5426\u5219\u8fd4\u56de false\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"
\u5b57\u7b26\u4e32\u662f Python \u4e2d\u6700\u5e38\u7528\u7684\u6570\u636e\u7c7b\u578b\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5f15\u53f7(&nb...<\/p>\n","protected":false},"author":1,"featured_media":480,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-583","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1"],"views":645,"_links":{"self":[{"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/posts\/583","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/comments?post=583"}],"version-history":[{"count":1,"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/posts\/583\/revisions"}],"predecessor-version":[{"id":584,"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/posts\/583\/revisions\/584"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/media\/480"}],"wp:attachment":[{"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/media?parent=583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/categories?post=583"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.pyteam.cn\/index.php\/wp-json\/wp\/v2\/tags?post=583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}