Code Editor for app.py

import streamlit as st
import pandas as pd

# Sample DataFrame
data = {
    'A': [1, 2, 3, 4],
    'B': [10, 20, 30, 40],
    'C': [100, 200, 300, 400]
}
df = pd.DataFrame(data)

st.title('DataFrame with Highlighted Column')

# Select column to highlight
column_to_highlight = st.selectbox('Select column to highlight:', df.columns)

# Style the DataFrame
styled_df = df.style.apply(lambda x: ['background-color: yellow' if x.name == column_to_highlight else '' for _ in x], axis=0)

# Display the styled DataFrame
st.dataframe(styled_df)