<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def parse_json(data):
 """Parse the input data dict into a `Channel`. Parameters data : `dict` input data from CIS json query Returns ------- c : `Channel` a `Channel` built from the data """

    sample_rate = data['datarate']
    unit = data['units']
    dtype = CIS_DATA_TYPE[data['datatype']]
    model = data['source']
    url = data['displayurl']
    return Channel(data['name'], sample_rate=sample_rate, unit=unit,
                   dtype=dtype, model=model, url=url)