from typing import Dict
from typing import List


def get_evaluations(data: Dict[int, List[int]]) -> Dict[int, float]:
    """
    Turns a dictionary with float lists into a dict with mean values.
    :param data:        Input dictionary with float lists
    :return:            Output dictionary with float mean values
    """
    res = dict()
    for key in data.keys():
        completed = list(filter(lambda x: x is not None, data[key]))
        res[key] = sum(completed) / len(completed)
    return res