--- title: "Bhupendra Singh Negi (@BhupendraSinghNegi) | Hashnode" description: "Fresher. Read the latest articles by Bhupendra Singh Negi on Hashnode." url: "https://hashnode.com/@BhupendraSinghNegi" --- @BhupendraSinghNegi # Bhupendra Singh Negi @BhupendraSinghNegi · dehradun uttarakhand · Joined May 2024 Fresher ### [Python Inner Working](https://know-python.hashnode.dev/python-inner-working?utm_source=hashnode&utm_medium=feed) When you write Python code in a .py file, Python does not directly execute that file line by line. Instead: Python reads your .py file. It compiles the source code into bytecode. That bytecode is then executed by the Python Virtual Machine (PVM). ... 2 min read · [know-python.hashnode.dev](https://know-python.hashnode.dev/python-inner-working?utm_source=hashnode&utm_medium=feed) [Feb 5](https://hashnode.com/posts/python-inner-working/6984dfcffebce796435b7a51) ### [Build our first AI Agent In JavaScript](https://build-ai-agent.hashnode.dev/build-our-first-ai-agent-in-javascript?utm_source=hashnode&utm_medium=feed) build basic first ai agent with javascript 2 min read · [build-ai-agent.hashnode.dev](https://build-ai-agent.hashnode.dev/build-our-first-ai-agent-in-javascript?utm_source=hashnode&utm_medium=feed) [Jan 20](https://hashnode.com/posts/build-our-first-ai-agent-in-javascript/696fcbccad32936d23150ebf) ### [LLM vs ChatGPT vs AI Agents](https://behind-gpt.hashnode.dev/llm-vs-chatgpt-vs-ai-agents?utm_source=hashnode&utm_medium=feed) Understanding the Difference Between LLMs, ChatGPT, and AI Agents LLMs, ChatGPT, and AI Agents are often discussed together and may appear similar at first glance. However, they serve different purposes and operate at different levels of abstraction.... 2 min read · [behind-gpt.hashnode.dev](https://behind-gpt.hashnode.dev/llm-vs-chatgpt-vs-ai-agents?utm_source=hashnode&utm_medium=feed) [Jan 19](https://hashnode.com/posts/llm-vs-chatgpt-vs-ai-agents/696e57ec9b44f226152d5d24) ### [Tokenization: How GPT Reads Your Text 🧩](https://behind-gpt.hashnode.dev/tokenization-how-gpt-reads-your-text?utm_source=hashnode&utm_medium=feed) Before GPT can understand or reply to you, it needs to break your text into small pieces called tokens.These tokens are the building blocks GPT uses to process and generate language. What is a Token? Text when break down into small pieces called tok... 1 min read · [behind-gpt.hashnode.dev](https://behind-gpt.hashnode.dev/tokenization-how-gpt-reads-your-text?utm_source=hashnode&utm_medium=feed) [Aug 13, 2025](https://hashnode.com/posts/tokenization-how-gpt-reads-your-text/689c102eea6b2629529f74ca) ### [Vector Embeddings: Turning Words into Numbers](https://behind-gpt.hashnode.dev/vector-embeddings-turning-words-into-numbers?utm_source=hashnode&utm_medium=feed) We will discuss, why we convert words to numbers and how it is helpful? Computers don’t understand words like “apple” or “cat”. They understand numbers.So, we turn each word, sentence, or paragraph into a list of numbers this list is called a vector... 2 min read · [behind-gpt.hashnode.dev](https://behind-gpt.hashnode.dev/vector-embeddings-turning-words-into-numbers?utm_source=hashnode&utm_medium=feed) [Aug 12, 2025](https://hashnode.com/posts/vector-embeddings-turning-words-into-numbers/689b6ac043b8172a98617962)