Simple Currency Converter

1# Exchange rates (example)
2rates = {
3    'USD': 1.0,
4    'EUR': 0.85,
5    'GBP': 0.73,
6    'INR': 82.5
7}
8
9# Take inputs
10amount = float(input("Enter amount: "))
11from_currency = input("From currency (USD/EUR/GBP/INR): ").upper()
12to_currency = input("To currency (USD/EUR/GBP/INR): ").upper()
13
14# Convert
15if from_currency in rates and to_currency in rates:
16    # Convert to USD first, then to target
17    usd_amount = amount / rates[from_currency]
18    converted = usd_amount * rates[to_currency]
19    print(f"{amount} {from_currency} = {converted:.2f} {to_currency}")
20else:
21    print("Invalid currency")