Apps Development, Cloud Computing, ML

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Quickly Develop Web App using Streamlit


Streamlit is a Python-based open-source framework. It enables quick and elegant web app development for machine learning and data science. Major Python libraries are compatible, like scikit-learn, keras, PyTorch, latex, numpy, pandas, matplotlib, etc.

Data science and analytics are becoming more and more popular. Model deployment is one of the most crucial processes in the data science pipeline. Python gives us many alternatives for distributing our model. Flask and Django are two prominent frameworks. However, the drawback of adopting these frameworks is that we must be familiar with HTML, CSS, and JavaScript. “Streamlit” was made by Adrien Treuille, Thiago Teixeira, and Amanda Kelly, with these requirements in mind. With the help of streamlit, you can now easily and without concern for the front end deploy any machine learning model or Python project. It’s incredibly simple to utilize Streamlit.

Steps for installation and setting up the Streamlit

Below is the syntax for installing this library.

Open the terminal and type

Once the library is installed, we can import the streamlit library using the below command.

To run the python file, we must run the following command in the terminal.

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Some functionalities that can be performed using Streamlit

  1. Add a title
  1. Add a text

The output will be as follows:


3. Success, Warning, Error, and Info



4. Displaying the images



5. Checkbox: Returns a Boolean if True or False


6. Selection box


7. Visualization of histogram


Advantages and Disadvantages of the Streamlit:


  1. One benefit is that it supports Python scripting.
  2. Amazing web applications can be made with less code.
  3. Since widgets are viewed as variables, call-backs are not required.
  4. Data caching makes computation pipelines simpler and faster.


One drawback is that Streamlit’s data caching cannot keep track of changes that occur outside the function body.

Python Graphing Libraries Supported

All of the major Python charting libraries are supported by Streamlit, and support for additional libraries is planned for the future. The Pyplot library from Matplotlib, Seaborn, Altair, Vega-Lite, Plotly, Bokeh, PyDeck (which enables 3D and map graphing options), and GraphViz are all currently supported.

Streamlit offers its native graphing library, which includes maps, bar charts, area charts, and line charts. Since they only offer these charts, their native graphing library is not very large. As the framework develops, they intend to increase its graphing possibilities.

Ease of use

The complete Streamlit API can be read in one sitting and is simple. Users may build widgets using only Python, thanks to the API, free from concerns about back-end code, routes, and requests. The simplicity of Streamlit is unquestionably its greatest asset, and the business takes pride in having a “simple” architecture.

Design Flexibility

Features like a sidebar, beta columns, and beta expander provide layout customization. Inputs and widgets can be added to the sidebar to enhance your application’s UI. Beta columns can be used to construct columns in your application so that items can be arranged side by side, while beta expander lets you save space by obscuring text in clickable dropdown menus.

You can construct your own Streamlit Components, giving you more control over the design of your application if you are proficient in HTML and JavaScript. A few highlighted components made by members of the Streamlit community are included in the website’s “Components” section. A few intriguing ones are embedding drawable canvasses into your application and allowing users to remark under your Streamlit application, among many others. The library of user-created components will expand along with the framework’s size and stature, giving you additional control and fine-tuned functionality to employ in your projects.


If you currently have a Python code base and want to turn it into an interactive dashboard as quickly and easily as possible, Streamlit is an excellent framework. Streamlit takes great pride in how simple it is to use, and for a good reason. With Streamlit, there is no learning curve at all, and their API is immediately digestible and usable. The Streamlit Sharing platform is easy to use and a wonderful deployment choice for individuals who do not want to deal with the stress of setting up their servers if they are developing open-source data science applications.

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1. What is Streamlit?

ANS: – Streamlit is a Python-based open-source framework. It enables quick and elegant web app development for machine learning and data science.

2. How to install Streamlit?

ANS: –

  • Open the terminal and type
  • pip install streamlit



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