# 示例字符串text="Hello, welcome to the world of Python programming."# 使用 index() 方法查找子字符串的位置position=text.index("Python")print(f"'Python' 的位置是:{position}") 1. 2. 3. 4. 5. 6. 示例输出 'Python' 的位置是: 22 1. 可以看到,index()方法成功地返回了“Python”在字符...
Example 2: index() With start and end Arguments sentence ='Python programming is fun.'# Substring is searched in 'gramming is fun.' print(sentence.index('ing',10)) # Substring is searched in 'gramming is 'print(sentence.index('g is',10,-4))# Substring is searched in 'programming' ...
Learn Python C++: Very similar to C, with the addition of classes and objects. C++ is well-suited for game and system development. It may be relatively difficult to learn. Learn C++ C: A programming language often used in app and system development. Its syntax is similar to other popul...
Created with Highcharts 3.0.9Ratings (%)PythonC++CJavaC#JavaScriptGoVisual BasicDelphi/Object PascalSQL200220042006200820102012201420162018202020222024051015202530TIOBE Programming Community IndexSource: www.tiobe.com Other programming languages The complete top 50 of programming languages is listed below. This overv...
Created with Highcharts 3.0.9Ratings (%)PythonC++CJavaC#JavaScriptGoVisual BasicDelphi/Object PascalSQL200220042006200820102012201420162018202020222024051015202530TIOBE Programming Community IndexSource: www.tiobe.com Other programming languages The complete top 50 of programming languages is listed below. This overv...
Python Supporting 2.7 and 3.2+ 144Topics 504Posts Last postRe: PhidgetException 0x03 (Ti… bycdsinfla Thu Jan 23, 2025 8:19 pm Java Supporting Java SE version 7 and up 37Topics 136Posts Last postRe: jar only deployment byPatrick
针对特定文档的分块功能认识到了这一点,并针对不同的文档类型(无论是 PDF、Python 脚本还是 Markdown 文件)提供了各种分块方法。这一级别可确保您的分块策略与不同文档的独特结构保持一致。 优点:为文档类型定制,提高相关性 缺点:需要文档类型知识 制定策略: 试想一下,如果有一个工具包,可以用不同的方法来...
FunctionTool封装提供的任何给定的Python函数。add和mystery两个函数对于 x 和 y 变量都注释了类型,同时也提供了docstring。这么做并不仅仅是出于风格上的考虑,而是非常重要的一步,因为这些内容将被用作LLM的prompt。 LlamaIndex的函数工具与包括OpenAI在内的许多LLM模型的函数调用能力进行了原生集成。 from llama_index...
Opening many text files in Python and running the same code on all of them I am new to Python, and my question is about running the same code on many txt files. I have almost 300 txt files, and I want to run a piece of code on all of them. How do I open all of those files...
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