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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_ceiling(clouds: [Cloud]) -> Cloud: # type: ignore """ Returns ceiling layer from Cloud-List or None if none found Assumes that the clouds are already sorted lowest to highest Only 'Broken', 'Overcast', and 'Vertical Visibility' are considdered ceilings Prevents errors due to lack of cloud information (eg. '' or 'FEW///') """

    for cloud in clouds:
        if cloud.altitude and cloud.type in ('OVC', 'BKN', 'VV'):
            return cloud
    return None