def main():
try:
args = CmdParser.parseArguments()
inputCurrency = Currencies.getCurrencyCode(args['input'])
outputCurrency = args['output']
amount = args['amount']
conversion = CurrencyConverter.getConversion(inputCurrency,
outputCurrency, amount)
printResults = JsonCreator.finalOutput(inputCurrency, conversion,
amount)
print(printResults)
except InvalidArgumentError as invArgErr:
Utility.errorStatement(invArgErr.message)
except RequestError as reqErr:
sys.stderr.write(reqErr.message)
sys.exit()
