Code Editor for app.py

import pandas as pd
import streamlit as st

st.title("CSV URL Viewer")

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

# Cache the data loading
@st.cache_data
def load_data(url):
    return pd.read_csv(url)

# Load the data
try:
    df = load_data(url)
    st.write("Data Loaded successfully!")
except Exception as e:
    st.error(f"Error loading data: {e}")
    df = pd.DataFrame()  # empty DataFrame in case of error

# Display controls
row_limit = st.number_input("Select number of rows to display:", min_value=1, max_value=len(df), value=min(5, len(df)))
shuffle_df = st.checkbox("Shuffle DataFrame")

# Shuffle the DataFrame if the checkbox is checked
if shuffle_df:
    df = df.sample(frac=1).reset_index(drop=True)

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