from load_asset import save,load
device = load('device')

def add_device(name,fund,sys):
    device['devices'][name] = {}
    device['devices'][name]['fund'] = fund.upper()
    device['devices'][name]['sys'] = sys
    return None
t = ''
while t != 'exit':
    t = t.split(' ')
    if len(t) == 3:
        add_device(*t)
    t = input('(name fund sys) (or exit):')

save(device,'device')