average_array

gistfile1.txt

input_arrays = [[1, 30, 2], [21, 20, 20], [1, 2, 3]]

def round_down_to_twenty(input_arrays):
    for array in input_arrays:
        for x in array:
            if x >=20:
                x = 20
            else: x=x

def average_array(arrays):
    nr=0
    for array in input_arrays:
        for element in array:
            nr=nr+element
        print(nr/(len(array)))
        nr=0

average_array(round_down_to_twenty(input_arrays))

-- didn't have 3rd function. Here is my re-work of 1st 2
-- I tried to comment a bit also

input_arrays = [[1, 30, 2], [21, 20, 20], [1, 2, 3, 9], [10,11,12,40,41]]
input_arrays_1 = []

def round_down_to_twenty(input_arrays):

    print ('start of "round_down_to_twenty"')
    '''ceeate vaiable x to get values that need to be changed iv >= 20'''
    x=0
    '''list a1 will hold results whereby value is assigned 20 if it is >= 20'''
    a1=[]
    for array in input_arrays:
        ''' getting each element if the array list'''
        for x in array:
            if x >=20:
                x = 20
            ''' append value to new list named a1'''
            a1.append(x)
        print('New list containing values rounded down to 20.', a1)
        input_arrays_1.append(a1)
        a1=[]
    print ('')
    print ('starting array.', input_arrays)
    print ('  ending array.',input_arrays_1)
    print ('end of "round_down_to_twenty"')

def average_array(input_arrays):
    input_arrays_1=[]
    print ('\nStart of "average_array"')
    nr=0
    for array in input_arrays:
        for element in array:
            nr=nr+element
        print('Average of each element in the input_arrays list.', nr/len(array))
        input_arrays_1.append(nr/len(array))
        nr=0
    print (input_arrays_1)
    print ('End of "average_array"')

round_down_to_twenty(input_arrays)

average_array(input_arrays)