ages = [19, 20, 18, 45, 18, 19, 19, 19, 65, 20, 18, 19, 18, 19]

def getMax(data):
    '''The largest element of a nonempty list of data'''
    assert len(data) > 0
    largest = data[0]
    for element in data[1:]:
        if element > largest:
            largest = element
    return largest

def count(data, item):
    '''Number of elements of the list of data that equal the item'''
    number = 0
    for element in data:
        if element == item:
            number = number + 1
    return number

def sort(data):
    '''New list containing the same data in sorted order'''
    sortedData = []
    unsortedData = data[:]
    for i in range(len(data)):
        element = min(unsortedData)
        sortedData.append(element)
        unsortedData.remove(element)
    return sortedData