Code Editor for app.py

import streamlit as st
import pandas as pd

st.title("Penguins Data Viewer")

# Default URL
url = st.text_input("Enter CSV URL:", "https://raw.githubusercontent.com/mwaskom/seaborn-data/master/penguins.csv")

# Cache the data loading function
def load_data(url):
    return pd.read_csv(url)

# Load the data and display errors if any
try:
    df = load_data(url)
    st.success("Data loaded successfully")
except Exception as e:
    st.error(f"Failed to load data: {e}")
    df = pd.DataFrame()  # Create an empty DataFrame

# Checkbox to shuffle the DataFrame
if not df.empty:
    shuffle = st.checkbox("Shuffle Data")
    if shuffle:
        df = df.sample(frac=1).reset_index(drop=True)

    # Control number of rows to display
    num_rows = st.slider("Select number of rows to display:", 1, len(df), 5)

    # Display the DataFrame
    st.dataframe(df.head(num_rows))