Update app.py

app.py

@@ -1,22 +1,21 @@
 import streamlit as st
-import requests
 
-# Replace 'YOUR_API_KEY' with your actual API key
-API_KEY = 'YOUR_API_KEY'
-API_URL = f"https://api.exchangerate.host/latest?access_key={API_KEY}"
+# Static exchange rates (approximate)
+exchange_rates = {
+    "USD": 1,
+    "EUR": 0.9,
+    "GBP": 0.8,
+    "JPY": 140,
+    "PKR": 300
+}
 
-def get_conversion_rate(from_currency, to_currency):
-    response = requests.get(API_URL, params={"base": from_currency, "symbols": to_currency})
-    if response.status_code == 200:
-        data = response.json()
-        return data["rates"][to_currency]
+def convert_currency(amount, from_currency, to_currency):
+    if from_currency == to_currency:
+        return amount
     else:
-        raise ValueError(f"API request failed with status code: {response.status_code}")
+        return amount * (exchange_rates[to_currency] / exchange_rates[from_currency])
 
-st.title("Real-time Currency Converter")
-
-# Supported currencies, including PKR
-supported_currencies = ["USD", "EUR", "GBP", "JPY", "PKR"]
+st.title("Currency Converter")
 
 # User input for amount and currencies
 with st.container():
@@ -24,19 +23,14 @@ with st.container():
     with col1:
         amount = st.number_input("Enter amount:", min_value=0.01, step=0.01)
     with col2:
-        from_currency = st.selectbox("From Currency:", options=supported_currencies)
-        to_currency = st.selectbox("To Currency:", options=supported_currencies)
+        from_currency = st.selectbox("From Currency:", options=exchange_rates.keys())
+        to_currency = st.selectbox("To Currency:", options=exchange_rates.keys())
 
 # Button to trigger conversion
 if st.button("Convert"):
-    try:
-        conversion_rate = get_conversion_rate(from_currency, to_currency)
-        converted_amount = amount * conversion_rate
-        st.success(f"{amount} {from_currency} is equal to {converted_amount:.2f} {to_currency}")
-    except ValueError as e:
-        st.error(f"Error: {e}")
+    converted_amount = convert_currency(amount, from_currency, to_currency)
+    st.success(f"{amount} {from_currency} is equal to {converted_amount:.2f} {to_currency}")
 
-# Add some visual appeal
+# Add a disclaimer about the limitations of static exchange rates
 st.markdown("---")
-st.write("**Note:** Currency conversion rates are updated in real-time.")
-st.write("**Disclaimer:** While we strive to provide accurate and up-to-date exchange rates, please note that exchange rates can fluctuate rapidly. It's always advisable to verify the exact rates with your financial institution or a reliable currency exchange service.")
+st.write("**Note:** This converter uses static exchange rates. For accurate and real-time conversions, please use a service that accesses live exchange rates.")