Streamline Text Display with st.write() Function
The st.write()
function is one of the most commonly used functions in Streamlit due to its flexibility. It allows you to display text, data, and even render objects with minimal effort. This function automatically detects the type of content passed to it and displays it accordingly.
1. Displaying Plain Text
To display simple text, you can pass a string directly to st.write()
. The text will appear as a paragraph in the Streamlit app.
st.write("Hello, this is a simple text example!")
Here is an example that demonstrates how to display plain text:
st.write("Welcome to our application!")
st.write("Streamlit is great for creating data apps.")
2. Displaying Multiple Items
One of the unique features of st.write()
is its ability to display multiple types of content in a single call. You can pass strings, numbers, or even variables, and Streamlit will automatically format and display them.
import streamlit as st
name = "Alice"
age = 30
st.write("Name:", name)
st.write("Age:", age)
Output:
In this example, you can see that st.write()
accepts both string literals and variables:
st.write("Name:", name)
will display "Name: Alice".st.write("Age:", age)
will display "Age: 30".
3. Mixing Text and Expressions
With st.write()
, you can combine text and expressions to create dynamic messages that change based on variables or calculations.
import streamlit as st
x = 10
y = 20
st.write("The sum of", x, "and", y, "is", x + y)
Output:
This feature is useful for displaying dynamic content or combining multiple data points in a single output. For example, the result will be:
- "The sum of 10 and 20 is 30"
4. Displaying Markdown with st.write()
The st.write()
function can also process markdown content automatically. You can use markdown elements like headers, bold, italic, and lists inside st.write()
to format your text.
import streamlit as st
st.write("# This is a Markdown Heading")
st.write("**This is bold text**")
st.write("*This is italic text*")
st.write("- Item 1\n- Item 2\n- Item 3")
Output:
Streamlit will render these markdown elements as formatted text inside your application.
Conclusion
The st.write()
function is incredibly versatile, making it one of the most useful functions in Streamlit. Whether you are displaying plain text, variables, or markdown, st.write()
simplifies the process, allowing you to focus on the content of your application.
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