How can I have the averageHighTemps function to take the weather database as an argument, and returns the average of the monthly high temperatures

Question

def main():

    highTemps = [-3, -2, 3, 11, 19, 23, 26, 25, 20, 13, 6, 0]
    lowTemps = [-11, -10, -5, 1, 8, 13, 16, 15, 11, 5, -1, -7]
    weatherDB = createDB(highTe