st.balloons() in Streamlit

The balloons method is a fun visual animation in Streamlit that shows colorful balloons floating up the screen.

It’s often used to celebrate a successful event, such as:

• Model training completion
• File upload success
• Data processing done
• Quiz completion

Syntax

st.balloons()    

It takes no parameters — it simply triggers the animation.

Example: Basic example.

Python

import streamlit as st
import time

st.title("🎈 Balloons Example")

# Simulate a task
st.write("Processing your request...")
time.sleep(2)

# When the task is done
st.success("Task completed successfully!")
st.balloons()  # 🎈 Celebration effect    

Explanation

• st.balloons() shows an animation of balloons floating upward.
• It doesn’t return anything — it is purely a visual effect.
• Great for user feedback and user engagement.