要判断当前行是否保存了代码，可从以下几个维度进行分析，具体方法取决于你所处的场景（如文本编辑器、代码编辑器、文档等），以下是通用判断思路：
一、从内容特征判断
语法结构识别
代码通常包含特定编程语言的语法元素，例如：
编程语言关键词（如 Python 的def、for、if；Java 的public、class、static）。
符号与格式：括号()、花括号{}、方括号[]、分号;、冒号:、运算符+、=、==等。
函数 / 方法调用（如print()、list.append()）、变量定义（如int x = 5;）、代码块缩进。
示例：
python
运行
def calculate_sum(a, b):
return a + b

明显包含 Python 函数定义的语法特征，属于代码。
注释与代码标识
代码中常出现注释符号（如//、#、/ /），或被特定标记包裹（如 Markdown 中的代码块符号 ```）。
示例：

这是一行Python注释

// Java代码注释
二、从上下文场景判断
所在平台或工具
若在代码编辑器（如 VS Code、PyCharm）、IDE 或编程相关文档中，当前行更可能是代码。
若在普通文本编辑器、Word 文档或市场分析报告中（如前序对话中的大蒜价格数据），则更可能是纯文本。
前后文关联
查看当前行的上下文：
若前后文有代码块、编程术语（如 “函数”“变量”“循环”），则当前行可能是代码的一部分。
若前后文为自然语言描述（如市场行情、操作步骤），则更可能是普通文本。
三、特殊场景的判断技巧
Markdown 或文档中的代码块
若当前行被 ``或 包裹（如代码块标记），则属于代码。
示例：
java
public class HelloWorld {
public static void main(String[] args) {
System.out.println("Hello World");
}
}

纯文本中的代码片段
即使没有标记，若内容符合编程语言语法（如一行 SQL 语句、HTML 标签），也属于代码。
示例：
SELECT * FROM users WHERE age > 18;（SQL 代码）
<div class="container">内容</div>（HTML 代码）
四、总结：判断流程
看内容：是否包含编程语言关键词、符号、语法结构。
看标记：是否被代码块符号包裹，或有注释符号。
看场景：是否在编程相关工具或上下文中。
若满足以上任意一点，当前行更可能是代码；若内容为自然语言、数据列表或非结构化文本，则不是代码。

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