{"id":176997,"date":"2024-05-08T19:21:49","date_gmt":"2024-05-08T11:21:49","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/176997.html"},"modified":"2024-05-08T19:21:55","modified_gmt":"2024-05-08T11:21:55","slug":"%e5%9c%a8python%e4%b8%ad%ef%bc%8c%e6%80%8e%e4%b9%88%e9%99%a4%e5%8e%bb%e4%bd%bf%e7%94%a8end%e7%9a%84%e6%9c%80%e5%90%8e%e4%b8%80%e4%b8%aa%e9%80%97%e5%8f%b7","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/176997.html","title":{"rendered":"\u5728python\u4e2d\uff0c\u600e\u4e48\u9664\u53bb\u4f7f\u7528end=\\\\\u7684\u6700\u540e\u4e00\u4e2a\u9017\u53f7"},"content":{"rendered":"

\"\u5728python\u4e2d\uff0c\u600e\u4e48\u9664\u53bb\u4f7f\u7528end=\\\\\u7684\u6700\u540e\u4e00\u4e2a\u9017\u53f7\"<\/p>\n

\u8981\u5728Python\u4e2d\u53bb\u9664\u4f7f\u7528end=','<\/code>\u7ed3\u5c3e\u540e\u591a\u4f59\u7684\u6700\u540e\u4e00\u4e2a\u9017\u53f7\uff0c\u53ef\u4ee5\u901a\u8fc7\u5148\u7d2f\u79ef\u8f93\u51fa\u5185\u5bb9\u5230\u4e00\u4e2a\u5217\u8868\u4e2d\uff0c\u6700\u540e\u518d\u4f7f\u7528\u5b57\u7b26\u4e32\u7684join()<\/code>\u65b9\u6cd5\u6765\u8fde\u63a5\u5217\u8868\u9879\u3001\u6216\u8005\u5728\u5faa\u73af\u4e2d\u5224\u65ad\u662f\u5426\u4e3a\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u800c\u6539\u53d8end<\/code>\u53c2\u6570<\/strong>\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u63cf\u8ff0\u3002<\/p>\n<\/p>\n

\u5728Python\u5faa\u73af\u6784\u9020\u8f93\u51fa\u65f6\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u9047\u5230\u8f93\u51fa\u5217\u8868\u9879\u5e76\u5728\u6bcf\u4e2a\u5143\u7d20\u540e\u52a0\u9017\u53f7\u4f5c\u4e3a\u5206\u9694\u7b26\u7684\u60c5\u51b5\u3002\u901a\u8fc7\u4f7f\u7528print(item, end=',')<\/code>\u53ef\u4ee5\u5b9e\u73b0\uff0c\u4f46\u8fd9\u4f1a\u5bfc\u81f4\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u540e\u4e5f\u8ddf\u968f\u4e00\u4e2a\u9017\u53f7\u3002\u4e3a\u4e86\u79fb\u9664\u8fd9\u4e2a\u591a\u4f59\u7684\u9017\u53f7\uff0c\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u6dfb\u52a0\u6761\u4ef6\u5224\u65ad\u4ee5\u4fee\u6539\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684 end<\/code> \u53c2\u6570<\/strong>\u3002\u6216\u8005\uff0c\u5c06\u5143\u7d20\u5148\u52a0\u5165\u5230\u5217\u8868\u4e2d\uff0c\u7136\u540e\u7528','.join()<\/code>\u65b9\u6cd5\u62fc\u63a5\u6210\u5b57\u7b26\u4e32\u8f93\u51fa<\/strong>\uff0c\u8fd9\u6837\u4fbf\u4e0d\u4f1a\u51fa\u73b0\u5c3e\u90e8\u591a\u4f59\u7684\u9017\u53f7\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528\u6761\u4ef6\u5224\u65ad<\/p>\n<\/p>\n

items = ['apple', 'banana', 'cherry']<\/p>\n
for i, item in enumerate(items):<\/p>\n
    if i == len(items) - 1:  # \u5f53\u524d\u5143\u7d20\u4e3a\u6700\u540e\u4e00\u4e2a<\/p>\n
        print(item)<\/p>\n
    else:<\/p>\n
        print(item, end=',')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528join()<\/code>\u65b9\u6cd5<\/p>\n<\/p>\n
items = ['apple', 'banana', 'cherry']<\/p>\n
print(','.join(items))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5bf9\u8fd9\u4e24\u79cd\u65b9\u6cd5\u8fdb\u884c\u8be6\u7ec6\u7684\u8ba8\u8bba\u548c\u6269\u5c55\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u5faa\u73af\u4e2d\u4f7f\u7528\u6761\u4ef6\u5224\u65ad<\/p>\n<\/p>\n
\u5728\u4f7f\u7528\u5faa\u73af\u8f93\u51fa\u5143\u7d20\u65f6\uff0c\u4e3a\u4e86\u4e0d\u5728\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u540e\u8f93\u51fa\u9017\u53f7\uff0c\u6211\u4eec\u9700\u8981\u5224\u65ad\u5f53\u524d\u5143\u7d20\u662f\u5426\u4e3a\u5217\u8868\u7684\u6700\u540e\u4e00\u9879\u3002\u53ef\u4ee5\u4f7f\u7528enumerate()<\/code>\u51fd\u6570\u83b7\u53d6\u6bcf\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\uff0c\u5e76\u4e0e\u5217\u8868\u957f\u5ea6\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n<\/p>\n
items = ['apple', 'banana', 'cherry']<\/p>\n
for i, item in enumerate(items):<\/p>\n
    if i == len(items) - 1:  # \u6700\u540e\u4e00\u4e2a\u5143\u7d20<\/p>\n
        print(item)<\/p>\n
    else:<\/p>\n
        print(item, end=',')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u63a5\uff0c\u4f46\u662f\u6bcf\u6b21\u5faa\u73af\u90fd\u9700\u8981\u505a\u4e00\u6b21\u6bd4\u8f83\u5224\u65ad\uff0c\u5bf9\u4e8e\u8f83\u5927\u7684\u5217\u8868\u53ef\u80fd\u7565\u5fae\u5f71\u54cd\u6027\u80fd\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528join()<\/code>\u65b9\u6cd5\u62fc\u63a5\u5b57\u7b26\u4e32<\/p>\n<\/p>\n
\u5bf9\u4e8e\u53bb\u9664\u5217\u8868\u4e2d\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u540e\u7684\u9017\u53f7\uff0cjoin()<\/code>\u65b9\u6cd5\u662f\u66f4\u4e3a\u9ad8\u6548\u548c\u7b80\u6d01\u7684\u89e3\u51b3\u65b9\u6848\u3002\u8fd9\u79cd\u65b9\u6cd5\u9996\u5148\u5c06\u6240\u6709\u5143\u7d20\u5408\u5e76\u6210\u4e00\u4e2a\u957f\u5b57\u7b26\u4e32\uff0c\u4e4b\u540e\u4e00\u6b21\u6027\u8f93\u51fa\uff0c\u907f\u514d\u4e86\u5faa\u73af\u4e2d\u7684\u591a\u6b21\u6761\u4ef6\u5224\u65ad\u3002<\/p>\n<\/p>\n
items = ['apple', 'banana', 'cherry']<\/p>\n
output = ','.join(items)<\/p>\n
print(output)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u9664\u6b64\u4e4b\u5916\uff0c\u5982\u679c\u5217\u8868\u4e2d\u5305\u542b\u975e\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u5143\u7d20\uff0c\u9700\u8981\u5148\u5c06\u8fd9\u4e9b\u5143\u7d20\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
items = [1, 2, 3]<\/p>\n
output = ','.join(map(str, items))<\/p>\n
print(output)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528join()<\/code>\u65b9\u6cd5\u5177\u6709\u66f4\u597d\u7684\u53ef\u8bfb\u6027\u548c\u6548\u7387\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u8f83\u5927\u7684\u6570\u636e\u96c6\u5408\u65f6\u3002\u5728\u73b0\u4ee3Python\u7f16\u7a0b\u4e2d\uff0c\u63a8\u8350\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\u6765\u5904\u7406\u5b57\u7b26\u4e32\u62fc\u63a5\u7684\u9700\u6c42\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u5728\u7279\u6b8a\u683c\u5f0f\u8f93\u51fa\u4e2d\u9664\u53bb\u6700\u540e\u4e00\u4e2a\u9017\u53f7<\/p>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9664\u4e86\u7b80\u5355\u7684\u5217\u8868\u5143\u7d20\u8f93\u51fa\u5916\uff0c\u8fd8\u53ef\u80fd\u6d89\u53ca\u5230\u66f4\u4e3a\u590d\u6742\u7684\u683c\u5f0f\u5316\u8f93\u51fa\uff0c\u4f8b\u5982\uff0c\u5728\u6bcf\u4e2a\u5143\u7d20\u540e\u52a0\u4e0a\u7279\u5b9a\u7684\u4fee\u9970\u7b26\u53f7\u3002\u5373\u4f7f\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u901a\u8fc7\u7c7b\u4f3c\u7684\u65b9\u6cd5\u6765\u79fb\u9664\u591a\u4f59\u7684\u9017\u53f7\u3002<\/p>\n<\/p>\n
items = ['apple', 'banana', 'cherry']<\/p>\n
output = ', '.join(f'[{item}]' for item in items)<\/p>\n
print(output)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u5217\u8868\u89e3\u6790\u6765\u751f\u6210\u5e26\u6709\u65b9\u62ec\u53f7\u4fee\u9970\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u901a\u8fc7join()<\/code>\u8fdb\u884c\u5b57\u7b26\u4e32\u8fde\u63a5\u3002\u8fd9\u6837\u7684\u8f93\u51fa\u4f1a\u662f\uff1a[apple], [banana], [cherry]<\/code>\uff0c\u6bcf\u4e2a\u9879\u76ee\u88ab\u65b9\u62ec\u53f7\u5305\u56f4\uff0c\u4f46\u672b\u5c3e\u6ca1\u6709\u591a\u4f59\u7684\u9017\u53f7\u3002<\/p>\n<\/p>\n
\u603b\u7ed3\u4ee5\u4e0a\u5185\u5bb9\uff0c\u53bb\u9664\u7528end=','<\/code>\u540e\u7684\u6700\u540e\u4e00\u4e2a\u9017\u53f7\u6700\u4f73\u505a\u6cd5\u662f\u4f7f\u7528','.join()<\/code>\u65b9\u6cd5\uff0c\u5b83\u7b80\u6d01\u3001\u9ad8\u6548\u4e14\u6613\u4e8e\u9605\u8bfb\u3002\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u8f93\u51fa\u683c\u5f0f\u8f83\u590d\u6742\uff0c\u90a3\u4e48\u4f7f\u7528\u5faa\u73af\u52a0\u6761\u4ef6\u5224\u65ad\u7684\u505a\u6cd5\u4e5f\u662f\u9002\u7528\u7684\u3002\u5728\u4efb\u4f55\u60c5\u51b5\u4e0b\uff0c\u9009\u62e9\u6700\u7b26\u5408\u5f53\u524d\u4e0a\u4e0b\u6587\u9700\u6c42\u7684\u65b9\u6848\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u4fdd\u8bc1\u4ee3\u7801\u7684\u6574\u6d01\u6027\u548c\u6027\u80fd\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
1. \u5982\u4f55\u5728Python\u4e2d\u53bb\u9664\u4f7f\u7528end='\\'\u7684\u6700\u540e\u4e00\u4e2a\u9017\u53f7\uff1f<\/strong><\/p>\n
\u5728Python\u4e2d\uff0c\u5982\u679c\u4f60\u4f7f\u7528end=''\u6765\u63a7\u5236print\u8bed\u53e5\u7684\u7ed3\u675f\u5b57\u7b26\uff0c\u5728\u6253\u5370\u591a\u4e2a\u5143\u7d20\u65f6\u4f1a\u5728\u6bcf\u4e2a\u5143\u7d20\u4e4b\u95f4\u6dfb\u52a0\u4e00\u4e2a\u9017\u53f7\u3002\u5982\u679c\u4f60\u60f3\u8981\u53bb\u9664\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u540e\u9762\u7684\u9017\u53f7\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n
# \u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528\u5b57\u7b26\u4e32\u62fc\u63a5\nresult = ''\nelements = ['a', 'b', 'c', '']\nfor ele in elements:\n    if ele != '':\n        result += ele + ','\nif result.endswith(','):\n    result = result[:-1]\nprint(result)\n\n# \u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528str.join()\u65b9\u6cd5\nelements = ['a', 'b', 'c', '']\nresult = ','.join([ele for ele in elements if ele != ''])\nprint(result)\n<\/code><\/pre>\n
2. \u6211\u8be5\u5982\u4f55\u5904\u7406\u5728Python\u4e2d\u4f7f\u7528end='\\'\u65f6\uff0c\u4e0a\u4e00\u884c\u5b57\u7b26\u4e32\u4e0e\u4e0b\u4e00\u884c\u5b57\u7b26\u4e32\u76f8\u63a5\u7684\u95ee\u9898\uff1f<\/strong><\/p>\n
\u5f53\u5728print\u8bed\u53e5\u4e2d\u4f7f\u7528end=''\u65f6\uff0c\u8f93\u51fa\u7684\u5b57\u7b26\u4e32\u53ef\u80fd\u4f1a\u51fa\u73b0\u5728\u4e24\u884c\u4e4b\u95f4\u53d1\u751f\u8fde\u63a5\u7684\u60c5\u51b5\u3002\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u4f60\u53ef\u4ee5\u5c1d\u8bd5\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n
# \u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528\u62ec\u53f7\u5c06\u591a\u884c\u8bed\u53e5\u62ec\u8d77\u6765\nprint(("This is a long"\n       " string with end='\\'."))\n       \n# \u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528\u53cd\u659c\u6760\u8fdb\u884c\u884c\u8fde\u63a5\nprint("This is a long" \\\n      " string with end='\\'.")\n<\/code><\/pre>\n
3. \u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528\u5176\u4ed6\u5b57\u7b26\u4ee3\u66ffend='\\'\u7684\u9017\u53f7\uff1f<\/strong><\/p>\n
\u5728Python\u4e2d\uff0c\u4f7f\u7528print\u8bed\u53e5\u7684end\u53c2\u6570\u53ef\u4ee5\u63a7\u5236\u5143\u7d20\u4e4b\u95f4\u7684\u8fde\u63a5\u5b57\u7b26\uff0c\u9ed8\u8ba4\u662f\u9017\u53f7\u3002\u5982\u679c\u4f60\u60f3\u4f7f\u7528\u5176\u4ed6\u5b57\u7b26\u4ee3\u66ff\u9017\u53f7\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n
elements = ['a', 'b', 'c']\nseparator = '-'\nprint(*elements, sep=separator)\n<\/code><\/pre>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86sep\u53c2\u6570\u6765\u6307\u5b9a\u5143\u7d20\u4e4b\u95f4\u7684\u8fde\u63a5\u5b57\u7b26\uff0c\u5c06\u9017\u53f7\u66ff\u6362\u4e3a\u4e86"-\u201d\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u8981\u9009\u62e9\u4e0d\u540c\u7684\u8fde\u63a5\u5b57\u7b26\uff0c\u5982\u7a7a\u683c\u3001\u5192\u53f7\u7b49\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u8981\u5728Python\u4e2d\u53bb\u9664\u4f7f\u7528end=','\u7ed3\u5c3e\u540e\u591a\u4f59\u7684\u6700\u540e\u4e00\u4e2a\u9017\u53f7\uff0c\u53ef\u4ee5\u901a\u8fc7\u5148\u7d2f\u79ef\u8f93\u51fa\u5185\u5bb9\u5230 […]","protected":false},"author":3,"featured_media":177004,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/176997"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=176997"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/176997\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/177004"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=176997"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=176997"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=176997"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}