User should be able to enter 'USD', 'EUR', or 'GBP' into the program or the corresponding symbols for each currency and the program will be able to convert the amount in the correct amount if they were exchanging currencies.
User should be able to enter 'USD', 'EUR', or 'GBP' into the program or the corresponding symbols for each currency and the program will be able to convert the amount in the correct amount if they were exchanging currencies.