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#we import the library containing functions for time measurement
import timeit
# inicializamos el timer
t = timeit.Timer()
#we define a factor function in recursive flavor
def factorial_recursive(number):
result = 1
if n > 0:
result = n * factorial_recursive(number-1)
print "factorizing: ",number, " result: ", result
return result
#we define a factor function in iterative flavor
def factorial_iterative(number):
result = 1
for i in range(1,number+1):
result = result * i
print "factorizing: ",i, " result: ", result
return result
def calculate(number,type):
time = t.timeit()
if type == 0:
type_s = "recursive"
result = factorial_recursive(number)
else:
type_s = "iterative"
result = factorial_iterative(number)
delta = abs(t.timeit() - time)
print "Type: " , type_s , " in: ", 1/delta
#we ask for a number to factorice
number = input("Please input a number:")
print "Calculating..."
calculate(number,0)
calculate(number,1)
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