# read in 5 numbers from user
num1 = float(raw_input("Enter first number: "))
num2 = float(raw_input("Enter second number: "))
num3 = float(raw_input("Enter third number: "))
num4 = float(raw_input("Enter fourth number: "))
num5 = float(raw_input("Enter fifth number: "))

# determine ordering of numbers
if num1 <= num2 <= num3 <= num4 <= num5:
    print 'Ascending order'
elif num1 >= num2 >= num3 >= num4 >= num5:
    print 'Descending order'
else:
    print 'Unordered'

# calculate average
avg = (num1 + num2 + num3 + num4 + num5) / 5.0

# calculate standard deviation
dev1 = (num1-avg)**2
dev2 = (num2-avg)**2
dev3 = (num3-avg)**2
dev4 = (num4-avg)**2
dev5 = (num5-avg)**2

devsum = dev1+dev2+dev3+dev4+dev5
stdev = (devsum / 4.0)**0.5
print 'Average: %f' % avg
print 'Standard Deviation: %f' % stdev


#########################################################
#
#  Using loops and lists
#
#########################################################

NUMBER_OF_VALUES = 5

values = []
for x in range(NUMBER_OF_VALUES):
    entry = raw_input("Enter number "+str(x)+": ")
    values.append(float(entry))

ascending = 1
descending = 1
for x in range(1, len(values)):
    if values[x] > values[x-1]:
        descending = 0
    elif values[x] < values[x-1]:
        ascending = 0

if ascending:
    print 'Ascending'
elif descending:
    print 'Descending'
else:
    print 'Unordered'

# Calculate average
sum = 0
for val in values:
    sum += val
avg = sum / len(values)

# Calculate standard deviation
devsum = 0
for val in values:
    devsum += (val-avg)**2
stdev = (devsum / (len(values)-1))**0.5
print 'Average: %f' % avg
print 'Standard Deviation: %f' % stdev