Code Editor for app.py

import streamlit as st
import pandas as pd
import seaborn as sns
import matplotlib.pyplot as plt

st.title("Penguins Data Viewer")

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

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

# Load data
try:
    df = load_data(url)
    st.write("Data Loaded Successfully!")
    st.dataframe(df)
except Exception as e:
    st.error(f"Error loading data: {e}")

# Control for number of rows to display
num_rows = st.slider("Select number of rows to display:", 1, len(df), 10)
shuffled = st.checkbox("Shuffle DataFrame")

if shuffled:
    df = df.sample(frac=1).reset_index(drop=True)

st.write(df.head(num_rows))

# Plotting
variables = df.select_dtypes(include='number').columns.tolist()
var_x = st.selectbox("Select variable for x-axis:", variables)
var_y = st.selectbox("Select variable for y-axis:", ["None"] + variables)

if var_y != "None":
    plt.figure(figsize=(10, 6))
    sns.scatterplot(data=df, x=var_x, y=var_y)
    plt.title(f"Scatter Plot of {var_x} vs {var_y}")
    st.pyplot(plt)
else:
    st.warning("Please select a second variable for the y-axis to plot.")