def_highest_lowest_average.py

numbers = [1,2,5,8,7,9,12,51,41,87,95,98,992,52,472,21,43]


def find_highest(list):
    largest = 0
    for item in numbers:
        if item > largest:
            largest = item




    print(largest)

find_highest(numbers)


def find_lowest(list):
    import math
    lowest = math.inf  #use infinity
    for item in numbers:
        if item < lowest:
            lowest = item

    print(lowest)

find_lowest(numbers)


def find_average(list):
    total = 0
    for item in numbers:
        total = total + item

    average = total/ len(numbers)
    print(average)

find_average(numbers)