Programming Fundamentals/Array Examples Python

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Arrays[edit]

# This program demonstrates array processing, including:
# display, total, max, min, parallel arrays, sort
# multidimensional arrays, and dynamic arrays.


def display_array(array):
    for index in range(len(array)):
        print('array[' + str(index) + '] = ' + 
            str(array[index]))


def sum(array):
    total = 0
    for index in range(len(array)):
        total += array[index]
    return total


def max(array):
    maximum = array[0]
    for index in range(1, len(array)):
        if maximum < array[index]: 
            maximum = array[index] 
    return maximum 


def min(array): 
    minimum = array[0] 
    for index in range(1, len(array)): 
        if minimum > array[index]:
            minimum = array[index]
    return minimum


def display_parallel(names, ages):
    for index in range(len(names)):
        print(names[index] + ' is ' + 
            str(ages[index]) + ' years old')
    

def display_multidimensional():
    game = [
        ['X', 'O', 'X'], 
        ['O', 'O', 'O'], 
        ['X', 'O', 'X'] ]

    for row in range (0, 3):
        for column in range(0, 3):
            print(game[row][column], end='')
            if column < 2:
                print(' | ', end='')
        print()


def dynamic_array():
    import random

    array = []
    for index in range(5):
        array.append(random.randint(0, 100))
    display_array(array)


def main():
    names = ['Lisa', 'Michael', 'Ashley', 'Jacob', 'Emily']
    ages = [49, 48, 26, 19, 16]

    display_array(names)
    display_array(ages)

    total = sum(ages)
    maximum = max(ages)
    minimum = min(ages)

    print('total: ' + str(total))
    print('maximum: ' + str(maximum))
    print('minimum: ' + str(minimum))

    display_parallel(names, ages)
    
    ages.sort()
    display_array(ages)

    display_multidimensional()
    dynamic_array()


main()

Output[edit]

array[0] = Lisa
array[1] = Michael
array[2] = Ashley
array[3] = Jacob
array[4] = Emily
array[0] = 49
array[1] = 48
array[2] = 26
array[3] = 19
array[4] = 16
total: 158
nmaximum: 49
minimum: 16
Lisa is 49 years old
Michael is 48 years old
Ashley is 26 years old
Jacob is 19 years old
Emily is 16 years old
array[0] = 16
array[1] = 19
array[2] = 26
array[3] = 48
array[4] = 49
X | O | X
O | O | O
X | O | X
array[0] = 71
array[1] = 39
array[2] = 80
array[3] = 35
array[4] = 40

References[edit]