P8

# Predefined exchange rates (base: USD)
exchange_rates = {
    'USD': 1.0,
    'EUR': 0.85,
    'INR': 83.2,
    'JPY': 110.0,
    'GBP': 0.75,
    'AUD': 1.35
}

def convert_currency(amount, from_currency, to_currency):
    if from_currency not in exchange_rates or to_currency not in exchange_rates:
        return None
    usd_amount = amount / exchange_rates[from_currency]  # Convert to USD
    converted_amount = usd_amount * exchange_rates[to_currency]
    return converted_amount

# --- User Interface ---
print("Currency Converter (Offline - Predefined Rates)\n")
print("Available currencies:", ', '.join(exchange_rates.keys()))

amount = float(input("Enter amount: "))
from_curr = input("From currency: ").upper()
to_curr = input("To currency: ").upper()

result = convert_currency(amount, from_curr, to_curr)

if result is not None:
    print(f"\n{amount} {from_curr} = {round(result, 2)} {to_curr}")
else:
    print("Currency not supported.")