escalators.py

import time

# Set some vars
number_of_commuters = 1000
number_of_visible_steps = 20
steps_between_walkers = 2
complete_escalator_seconds = 60

total_time = 0
count = 0

print str(number_of_commuters) + " commuters walking and standing:"
while (count < (number_of_commuters/2)):

	# Standing Commuters get on
	number_of_commuters = number_of_commuters - number_of_visible_steps

	total_time = total_time + complete_escalator_seconds
	count = count + 1

count = 0

while (count < (number_of_commuters/2)):

	# Walking commuters
	number_of_commuters = number_of_commuters - (number_of_visible_steps / steps_between_walkers)

	total_time = total_time + (complete_escalator_seconds/2)
	count = count + 1	


m, s = divmod(total_time, 60)
h, m = divmod(m, 60)
time = "%d hours %02d minutes and %02d seconds" % (h, m, s)

print "It took " + time + " \n"


# ======================
total_time = 0
count = 0
number_of_commuters = 1000

print str(number_of_commuters) + " commuters standing:"
while (count < number_of_commuters):

	# Standing Commuters get on
	number_of_commuters = number_of_commuters - (number_of_visible_steps  * 2)

	total_time = total_time + complete_escalator_seconds
	count = count + 1

m, s = divmod(total_time, 60)
h, m = divmod(m, 60)
time = "%d hours %02d minutes and %02d seconds" % (h, m, s)

print "It took " + time + " \n"