intermediate

Building a Deep Researcher using Python and Streamlit

Full-Stack Engineering

4 courses

71 practices

Build a DeepResearcher, an AI-powered research tool that generates search queries, gathers web content via DuckDuckGo, filters useful pages, extracts key info, and synthesizes a final report using OpenAI—all through a clean, modular Python architecture and a frontend created by Streamlit.

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Back-End and API Development

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Course 2

Automating Web Content Retrieval and Parsing in Python

4 lessons

18 practices

Learn to build a robust web search and content extraction module in Python. Use duckduckgo_search, httpx, and html-to-markdown to query, fetch HTML, and convert to Markdown. Enhance it with URL deduplication, error logging, and retries via tenacity for safe, reliable scraping.

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Course 3

Creating a Researcher in Python with OpenAI

5 lessons

21 practices

Learn to build the control logic for a multi-step AI research assistant. Structure the main python script to manage input, control iteration, and orchestrate modules for query generation, relevance checks, context extraction, and report creation. Implement an LLM-driven workflow for iterative search and comprehensive report generation.

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Course 4

Making a Frontend for our Researcher with Streamlit

4 lessons

14 practices

Learn Streamlit, a Python framework for building interactive web apps, by turning a CLI research assistant into a responsive interface. Master widgets, layout, and state management while connecting an AI research pipeline to a real-time front end. By the end, you'll have a fully interactive Python-powered research assistant.

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I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

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I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

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It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

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I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

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Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11