Dave Braunschweig
Arrays
# This program demonstrates array processing, including:
# display, total, max, min, parallel arrays, sort,
# fixed arrays, dynamic arrays, and multidimensional arrays.
import random
def display_array(array):
for index in range(len(array)):
print('array[' + str(index) + '] = ' +
str(array[index]))
def calculate_sum(array):
total = 0
for index in range(len(array)):
total += array[index]
return total
def calculate_maximum(array):
maximum = array[0]
for index in range(1, len(array)):
if maximum < array[index]:
maximum = array[index]
return maximum
def calculate_minimum(array):
minimum = array[0]
for index in range(1, len(array)):
if minimum > array[index]:
minimum = array[index]
return minimum
def demonstrate_parallel_arrays(names, ages):
for index in range(len(names)):
print(names[index] + ' is ' +
str(ages[index]) + ' years old')
def demonstrate_fixed_array():
array = [None] * 5
for index in range(len(array)):
array[index] = random.randint(0, 100)
display_array(array)
def demonstrate_dynamic_array():
array = []
for index in range(5):
array.append(random.randint(0, 100))
display_array(array)
def demonstrate_multidimensional_array():
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 main():
names = ['Lisa', 'Michael', 'Ashley', 'Jacob', 'Emily']
ages = [49, 48, 26, 19, 16]
display_array(names)
display_array(ages)
total = calculate_sum(ages)
maximum = calculate_maximum(ages)
minimum = calculate_minimum(ages)
print('total: ' + str(total))
print('maximum: ' + str(maximum))
print('minimum: ' + str(minimum))
demonstrate_parallel_arrays(names, ages)
ages.sort()
display_array(ages)
demonstrate_fixed_array()
demonstrate_dynamic_array()
demonstrate_multidimensional_array()
main()
Output
array[0] = Lisa array[1] = Michael array[2] = Ashley array[3] = Jacob array[4] = Emily array[0] = 49 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 maximum: 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 array[0] = 18 array[1] = 14 array[2] = 59 array[3] = 99 array[4] = 61 array[0] = 85 array[1] = 4 array[2] = 35 array[3] = 45 array[4] = 93 X | O | X O | O | O X | O | X
