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Streamlit is an open-source Python framework that turns data scripts into shareable web applications in minutes — with no front-end experience required. It is widely used for building data dashboards, machine learning demos, and interactive reports.
pip install streamlit
Run a Streamlit app:
streamlit run app.py
| Feature | Description |
|---|---|
| Pure Python | No HTML, CSS, or JavaScript required |
| Reactive | The app re-runs from top to bottom on every interaction |
| Fast prototyping | Go from script to web app in minutes |
| Built-in widgets | Sliders, dropdowns, text inputs, file uploaders |
| Chart support | Native support for Matplotlib, Seaborn, Plotly, Altair, and more |
| Deployment | Free deployment via Streamlit Community Cloud |
Create a file called app.py:
import streamlit as st
st.title("Hello, Streamlit!")
st.write("This is my first Streamlit app.")
Run it:
streamlit run app.py
import streamlit as st
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