Installing & Setting Up Streamlit

Installing & Setting Up A Beginner’s Guide to Starting with Streamlit Streamlit

Agenda 1.What is Streamlit?

2.Prerequisites 3.Installing Streamlit 4.Creating Your First Streamlit App 5.Running the App 6.Streamlit Folder Structure 7.Customizing & Sharing Apps 8.Summary

What is Streamlit?

Streamlit is an open-source Python framework to quickly build interactive web apps for machine learning & data science.

Requires no frontend coding (HTML, CSS, JS).

Simple syntax — build apps in minutes using pure Python! 📝 Ref: Official Docs + Medium article “Build Web Apps in Python with Streamlit”

Prerequisites Install Python 3.8+ Install pip (Python package manager) Optional: Create a virtual environment

Installing Streamlit Open your terminal or command prompt:

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installation:

Creating Your First App Create a new file called app.py Paste this code:

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folder

Save the file in your project

Running the App In terminal, navigate to the file folder:

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A browser tab will open with your app (usually: http://localhost:8501) 🔄 Make changes to the code — the app auto-updates!

Folder Structure

You can organize your files just like a mini project.

Customizing & Sharing Use widgets: st.slider(), st.button(), st.text_input() Share app using: Streamlit Community Cloud Deploy on Heroku, Render, or Hugging Face Spaces 🧩 Add custom styling using st.markdown() and themes in .streamlit/config.toml

Summary Streamlit is easy to install with pip install streamlit Write apps in Python — no frontend needed Run locally with streamlit run app.py Share with the world in a few clicks!

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