{"id":1025537,"date":"2024-12-31T10:34:56","date_gmt":"2024-12-31T02:34:56","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1025537.html"},"modified":"2024-12-31T10:34:58","modified_gmt":"2024-12-31T02:34:58","slug":"python%e5%a6%82%e4%bd%95%e8%be%93%e5%85%a5%e5%ad%97%e7%ac%a6%e4%b8%b2%e8%a6%81%e5%a3%b0%e6%98%8e","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1025537.html","title":{"rendered":"python\u5982\u4f55\u8f93\u5165\u5b57\u7b26\u4e32\u8981\u58f0\u660e"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2024\/12\/710f5830-aaf8-4d37-9ed5-83b4758416bc.webp?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"python\u5982\u4f55\u8f93\u5165\u5b57\u7b26\u4e32\u8981\u58f0\u660e\" \/><\/p>\n<p><p> <strong>Python\u4e2d\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff1a\u4f7f\u7528input()\u51fd\u6570\u3001\u4ece\u6587\u4ef6\u8bfb\u53d6\u3001\u4f7f\u7528sys.stdin\u7b49\u3002<\/strong> \u5176\u4e2d\uff0c\u6700\u5e38\u7528\u4e14\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528input()\u51fd\u6570\u3002\u4f7f\u7528input()\u51fd\u6570\u65f6\uff0c\u4e0d\u9700\u8981\u7279\u522b\u58f0\u660e\u53d8\u91cf\u7c7b\u578b\uff0cPython\u4f1a\u81ea\u52a8\u5c06\u7528\u6237\u8f93\u5165\u7684\u5185\u5bb9\u4f5c\u4e3a\u5b57\u7b26\u4e32\u5904\u7406\u3002\u5728\u5177\u4f53\u4f7f\u7528\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u81ea\u5b9a\u4e49\u63d0\u793a\u4fe1\u606f\u8ba9\u7528\u6237\u8f93\u5165\u5b57\u7b26\u4e32\u3002\u6b64\u5916\uff0c\u4f7f\u7528sys.stdin\u53ef\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u7ea7\u7684\u8f93\u5165\u64cd\u4f5c\uff0c\u9002\u5408\u4e8e\u5904\u7406\u6279\u91cf\u8f93\u5165\u6570\u636e\u7684\u573a\u666f\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u8fd9\u4e9b\u65b9\u6cd5\u53ca\u5176\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528input()\u51fd\u6570<\/p>\n<\/p>\n<p><p>input()\u51fd\u6570\u662fPython\u5185\u7f6e\u51fd\u6570\uff0c\u7528\u4e8e\u4ece\u6807\u51c6\u8f93\u5165\u63a5\u6536\u6570\u636e\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3a\u5b57\u7b26\u4e32\u8fd4\u56de\u3002\u5176\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">variable_name = input(&quot;Prompt message: &quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">name = input(&quot;Please enter your name: &quot;)<\/p>\n<p>print(f&quot;Hello, {name}!&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u7528\u6237\u4f1a\u770b\u5230\u63d0\u793a\u4fe1\u606f\u201cPlease enter your name:\u201d\uff0c\u8f93\u5165\u7684\u5185\u5bb9\u4f1a\u88ab\u8d4b\u503c\u7ed9\u53d8\u91cfname\uff0c\u4e4b\u540e\u53ef\u4ee5\u4f7f\u7528\u8be5\u53d8\u91cf\u8fdb\u884c\u540e\u7eed\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u4ece\u6587\u4ef6\u8bfb\u53d6\u5b57\u7b26\u4e32<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5f88\u591a\u65f6\u5019\u9700\u8981\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u5b57\u7b26\u4e32\u3002Python\u63d0\u4f9b\u4e86\u591a\u79cd\u6587\u4ef6\u64cd\u4f5c\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u662fopen()\u51fd\u6570\u3002\u5176\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">file_object = open(filename, mode)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f8b\u5982\uff0c\u8bfb\u53d6\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\u7684\u5185\u5bb9\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;example.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>    content = file.read()<\/p>\n<p>    print(content)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528with\u8bed\u53e5\u53ef\u4ee5\u786e\u4fdd\u6587\u4ef6\u5728\u8bfb\u53d6\u540e\u81ea\u52a8\u5173\u95ed\uff0c\u907f\u514d\u6587\u4ef6\u8d44\u6e90\u5360\u7528\u3002mode\u53c2\u6570\u4e3a&#39;r&#39;\u8868\u793a\u4ee5\u53ea\u8bfb\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u4f7f\u7528sys.stdin\u8fdb\u884c\u8f93\u5165<\/p>\n<\/p>\n<p><p>sys.stdin\u662fPython\u7684\u6807\u51c6\u8f93\u5165\u6d41\uff0c\u53ef\u4ee5\u5904\u7406\u66f4\u590d\u6742\u7684\u8f93\u5165\u64cd\u4f5c\uff0c\u9002\u5408\u6279\u91cf\u5904\u7406\u548c\u811a\u672c\u5316\u4efb\u52a1\u3002\u4f7f\u7528sys.stdin\u65f6\uff0c\u9700\u8981\u5bfc\u5165sys\u6a21\u5757\uff0c\u5176\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import sys<\/p>\n<p>for line in sys.stdin:<\/p>\n<p>    print(line.strip())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0csys.stdin\u4f1a\u6301\u7eed\u8bfb\u53d6\u8f93\u5165\uff0c\u76f4\u5230\u6536\u5230EOF\uff08End of File\uff09\u4fe1\u53f7\u3002\u8bfb\u53d6\u5230\u7684\u6bcf\u4e00\u884c\u6570\u636e\u90fd\u4f1a\u88ab\u5904\u7406\u5e76\u8f93\u51fa\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u5b57\u7b26\u4e32\u5904\u7406\u7684\u9ad8\u7ea7\u6280\u5de7<\/p>\n<\/p>\n<ol>\n<li>\u5b57\u7b26\u4e32\u62fc\u63a5<\/li>\n<\/ol>\n<p><p>Python\u63d0\u4f9b\u4e86\u591a\u79cd\u5b57\u7b26\u4e32\u62fc\u63a5\u65b9\u5f0f\uff0c\u4f8b\u5982\u4f7f\u7528+\u64cd\u4f5c\u7b26\u3001join()\u65b9\u6cd5\u7b49\u3002+\u64cd\u4f5c\u7b26\u9002\u7528\u4e8e\u5c11\u91cf\u5b57\u7b26\u4e32\u62fc\u63a5\uff0c\u800cjoin()\u65b9\u6cd5\u5219\u9002\u7528\u4e8e\u5927\u91cf\u5b57\u7b26\u4e32\u62fc\u63a5\uff0c\u6548\u7387\u66f4\u9ad8\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">str1 = &quot;Hello&quot;<\/p>\n<p>str2 = &quot;World&quot;<\/p>\n<p>result = str1 + &quot; &quot; + str2<\/p>\n<p>print(result)  # Output: Hello World<\/p>\n<p>str_list = [&quot;Hello&quot;, &quot;World&quot;]<\/p>\n<p>result = &quot; &quot;.join(str_list)<\/p>\n<p>print(result)  # Output: Hello World<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u5b57\u7b26\u4e32\u683c\u5f0f\u5316<\/li>\n<\/ol>\n<p><p>Python\u63d0\u4f9b\u4e86\u591a\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u5f0f\uff0c\u4f8b\u5982%\u64cd\u4f5c\u7b26\u3001str.format()\u65b9\u6cd5\u3001f-string\u7b49\u3002f-string\u662fPython 3.6\u5f15\u5165\u7684\u4e00\u79cd\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u65b9\u5f0f\uff0c\u7b80\u6d01\u9ad8\u6548\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">name = &quot;Alice&quot;<\/p>\n<p>age = 30<\/p>\n<p>result = f&quot;My name is {name} and I am {age} years old.&quot;<\/p>\n<p>print(result)  # Output: My name is Alice and I am 30 years old.<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li>\u5b57\u7b26\u4e32\u5207\u7247<\/li>\n<\/ol>\n<p><p>\u5b57\u7b26\u4e32\u5207\u7247\u662fPython\u4e2d\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u8f7b\u677e\u63d0\u53d6\u5b50\u5b57\u7b26\u4e32\u3002\u5176\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">substring = original_string[start:stop:step]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">text = &quot;Hello, World!&quot;<\/p>\n<p>print(text[0:5])  # Output: Hello<\/p>\n<p>print(text[:5])   # Output: Hello<\/p>\n<p>print(text[7:])   # Output: World!<\/p>\n<p>print(text[::2])  # Output: Hlo ol!<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e94\u3001\u5e38\u89c1\u9519\u8bef\u53ca\u8c03\u8bd5\u65b9\u6cd5<\/p>\n<\/p>\n<p><p>\u5728\u5904\u7406\u5b57\u7b26\u4e32\u8f93\u5165\u65f6\uff0c\u5e38\u89c1\u7684\u9519\u8bef\u5305\u62ec\u7c7b\u578b\u9519\u8bef\u3001\u7d22\u5f15\u9519\u8bef\u7b49\u3002\u4f8b\u5982\uff0c\u5c1d\u8bd5\u5c06\u975e\u5b57\u7b26\u4e32\u7c7b\u578b\u8d4b\u503c\u7ed9\u5b57\u7b26\u4e32\u53d8\u91cf\uff0c\u6216\u8bbf\u95ee\u5b57\u7b26\u4e32\u4e2d\u4e0d\u5b58\u5728\u7684\u7d22\u5f15\u4f4d\u7f6e\u3002\u4e3a\u4e86\u8c03\u8bd5\u8fd9\u4e9b\u9519\u8bef\uff0c\u53ef\u4ee5\u4f7f\u7528try-except\u8bed\u53e5\u6355\u83b7\u5f02\u5e38\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u5904\u7406\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">try:<\/p>\n<p>    index = 10<\/p>\n<p>    print(text[index])<\/p>\n<p>except IndexError:<\/p>\n<p>    print(f&quot;Index {index} is out of range.&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u603b\u4e4b\uff0cPython\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5b57\u7b26\u4e32\u8f93\u5165\u53ca\u5904\u7406\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u5e94\u7528\u573a\u666f\u3002\u638c\u63e1\u8fd9\u4e9b\u65b9\u6cd5\u53ca\u6280\u5de7\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u548c\u4ee3\u7801\u8d28\u91cf\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5728Python\u4e2d\u5982\u4f55\u6b63\u786e\u8f93\u5165\u5b57\u7b26\u4e32\u5e76\u8fdb\u884c\u58f0\u660e\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u5b57\u7b26\u4e32\u7684\u8f93\u5165\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5185\u7f6e\u7684<code>input()<\/code>\u51fd\u6570\u6765\u5b9e\u73b0\u3002\u7528\u6237\u53ef\u4ee5\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\u8f93\u5165\u5b57\u7b26\u4e32\uff0c\u8f93\u5165\u7684\u5185\u5bb9\u4f1a\u88ab\u5b58\u50a8\u5728\u4e00\u4e2a\u53d8\u91cf\u4e2d\uff0c\u65b9\u4fbf\u540e\u7eed\u4f7f\u7528\u3002\u58f0\u660e\u5b57\u7b26\u4e32\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5355\u5f15\u53f7\u6216\u53cc\u5f15\u53f7\u5305\u88f9\u5b57\u7b26\u4e32\u5185\u5bb9\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a&quot;)\nprint(&quot;\u60a8\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u662f\uff1a&quot;, user_input)\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u83b7\u53d6\u7528\u6237\u7684\u8f93\u5165\u5e76\u8fdb\u884c\u5b58\u50a8\u3002<\/p>\n<p><strong>\u5982\u4f55\u5904\u7406\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u4ee5\u907f\u514d\u9519\u8bef\uff1f<\/strong><br \/>\u4e3a\u4e86\u786e\u4fdd\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u6709\u6548\uff0c\u53ef\u4ee5\u4f7f\u7528\u6761\u4ef6\u5224\u65ad\u548c\u5f02\u5e38\u5904\u7406\u6765\u8fdb\u884c\u9a8c\u8bc1\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u68c0\u67e5\u8f93\u5165\u7684\u957f\u5ea6\u6216\u8005\u662f\u5426\u5305\u542b\u7279\u5b9a\u5b57\u7b26\u3002\u901a\u8fc7try-except\u5757\uff0c\u53ef\u4ee5\u6355\u83b7\u53ef\u80fd\u51fa\u73b0\u7684\u9519\u8bef\uff0c\u4ece\u800c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\uff1a<\/p>\n<pre><code class=\"language-python\">try:\n    user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a&quot;)\n    if len(user_input) == 0:\n        r<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>se ValueError(&quot;\u8f93\u5165\u4e0d\u80fd\u4e3a\u7a7a&quot;)\n    print(&quot;\u60a8\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u662f\uff1a&quot;, user_input)\nexcept ValueError as e:\n    print(&quot;\u53d1\u751f\u9519\u8bef\uff1a&quot;, e)\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u80fd\u591f\u6709\u6548\u63d0\u5347\u7528\u6237\u4f53\u9a8c\uff0c\u907f\u514d\u56e0\u9519\u8bef\u8f93\u5165\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\u5982\u4f55\u5bf9\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u8fdb\u884c\u57fa\u672c\u7684\u64cd\u4f5c\uff1f<\/strong><br \/>\u83b7\u53d6\u5b57\u7b26\u4e32\u540e\uff0c\u7528\u6237\u53ef\u80fd\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u4e00\u4e9b\u57fa\u672c\u7684\u64cd\u4f5c\uff0c\u5982\u8f6c\u6362\u5927\u5c0f\u5199\u3001\u67e5\u627e\u5b50\u4e32\u6216\u66ff\u6362\u5b57\u7b26\u7b49\u3002Python\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5b57\u7b26\u4e32\u65b9\u6cd5\u6765\u5b9e\u73b0\u8fd9\u4e9b\u529f\u80fd\u3002\u6bd4\u5982\uff0c\u4f7f\u7528<code>upper()<\/code>\u548c<code>lower()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5927\u5199\u6216\u5c0f\u5199\uff1a<\/p>\n<pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a&quot;)\nprint(&quot;\u5927\u5199\u5b57\u7b26\u4e32\uff1a&quot;, user_input.upper())\nprint(&quot;\u5c0f\u5199\u5b57\u7b26\u4e32\uff1a&quot;, user_input.lower())\n<\/code><\/pre>\n<p>\u5229\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u7528\u6237\u80fd\u591f\u7075\u6d3b\u5730\u5904\u7406\u8f93\u5165\u7684\u5b57\u7b26\u4e32\uff0c\u589e\u5f3a\u7a0b\u5e8f\u7684\u5b9e\u7528\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4e2d\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff1a\u4f7f\u7528input()\u51fd\u6570\u3001\u4ece\u6587\u4ef6\u8bfb\u53d6\u3001\u4f7f\u7528sys.stdin\u7b49\u3002 \u5176\u4e2d\uff0c\u6700 [&hellip;]","protected":false},"author":3,"featured_media":1025544,"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\/1025537"}],"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=1025537"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1025537\/revisions"}],"predecessor-version":[{"id":1025547,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1025537\/revisions\/1025547"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1025544"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1025537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1025537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1025537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}