python
""" User interface for module currency When run as a script, this module prompts the user for two currencies and an amount. It prints out the result of converting the first currency to the second. Author: Anqi Bai/Hongyi Lu NetId:ab2897/hl2374 Date: 9/22/2019 """ import a1 first = input('Enter source currency: ') second = input('Enter target currency: ') third = float(input('Enter original amount: ')) result = a1.exchange(first,second,third) print('You can exchange '+str(third)+' '+first+' for '+str(result)+' '+second+".")