Code Editor for app.py

import streamlit as st
import requests
import pandas as pd

st.title("Crypto Price Tracker")

# Get selected cryptocurrencies
crypto_list = ["bitcoin", "ethereum", "ripple", "litecoin"]
selected_crypto = st.selectbox("Select a cryptocurrency:", crypto_list)

# Fetch price data from CoinGecko API
url = f"https://api.coingecko.com/api/v3/simple/price?ids={selected_crypto}&vs_currencies=usd"
response = requests.get(url)
price_data = response.json()

if selected_crypto in price_data:
    price = price_data[selected_crypto]["usd"]
    st.write(f"Current price of {selected_crypto.capitalize()}: $ {price}")
else:
    st.write(f"Could not retrieve data for {selected_crypto}. Please try again.")