Code Editor for app.py

import streamlit as st
import pandas as pd

@st.cache_data
def load_data(url):
    return pd.read_csv(url)

st.title("CSV Viewer")

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

try:
    # Load the data
    df = load_data(url)
    
    # Controls
    col1, col2 = st.columns(2)
    
    with col1:
        n_rows = st.number_input(
            "Number of rows to display",
            min_value=1,
            max_value=len(df),
            value=min(10, len(df))
        )
    
    with col2:
        shuffle = st.checkbox("Randomly shuffle data")
    
    # Process the dataframe based on controls
    if shuffle:
        display_df = df.sample(frac=1).reset_index(drop=True)
    else:
        display_df = df
    
    # Display the data
    st.dataframe(display_df.head(n_rows))
    
    # Show dataset info
    st.write(f"Total rows in dataset: {len(df)}")
    
except Exception as e:
    st.error(f"Error loading data: {str(e)}")