import time
import itertools

def all_perms(elements):
    t1 = time.clock()
    for i in range(len(elements)):
        t0 = time.clock()
        itertools.permutations(range(i))
        each = time.clock() - t0
        print(each)
    final = time.clock() - t1
    print("The total time is: ", final)

#---------------------------------------------------------------------------------------------------
# TESTING:

# Test 1
test_list_1 = [1,2,3,4,5]
all_perms(test_list_1)
# Test 2
#test_list_2 = [1,2,3,4,5,6,7,8,9,10]
#all_perms(test_list_2)
# Test 3
#test_list_3 = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]
#all_perms(test_list_3)
# Test 4
#test_list_4 = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20]
#all_perms(test_list_4)
# Test 5
#test_list_5 = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25]
#all_perms(test_list_5)