# -- coding: utf-8 --
import cProfile
from decimal import Decimal
import pstats

a = None
b = 0
c = {}

left_column_width = 35
loop_range = range(20000000)

def test1():
    for i in loop_range:
        x = y = a

def test2():
    for i in loop_range:
        x = a
        y = a

def test3():
    for i in loop_range:
        x = y = z = a

def test4():
    for i in loop_range:
        x = a
        y = a
        z = a

def test5():
    for i in loop_range:
        x = y = b

def test6():
    for i in loop_range:
        x = b
        y = b

def test7():
    for i in loop_range:
        x = y = z = b

def test8():
    for i in loop_range:
        x = b
        y = b
        z = b

def test9():
    for i in loop_range:
        x = y = c

def test10():
    for i in loop_range:
        x = c
        y = c

def test11():
    for i in loop_range:
        x = y = z = c

def test12():
    for i in loop_range:
        x = c
        y = c
        z = c

test1_profile = cProfile.Profile()
test1_profile.runcall(test1)
test1_profile.print_stats(sort='cumtime')

test2_profile = cProfile.Profile()
test2_profile.runcall(test2)
test2_profile.print_stats(sort='cumtime')

test3_profile = cProfile.Profile()
test3_profile.runcall(test3)
test3_profile.print_stats(sort='cumtime')

test4_profile = cProfile.Profile()
test4_profile.runcall(test4)
test4_profile.print_stats(sort='cumtime')

test5_profile = cProfile.Profile()
test5_profile.runcall(test5)
test5_profile.print_stats(sort='cumtime')

test6_profile = cProfile.Profile()
test6_profile.runcall(test6)
test6_profile.print_stats(sort='cumtime')

test7_profile = cProfile.Profile()
test7_profile.runcall(test7)
test7_profile.print_stats(sort='cumtime')

test8_profile = cProfile.Profile()
test8_profile.runcall(test8)
test8_profile.print_stats(sort='cumtime')

test9_profile = cProfile.Profile()
test9_profile.runcall(test9)
test9_profile.print_stats(sort='cumtime')

test10_profile = cProfile.Profile()
test10_profile.runcall(test10)
test10_profile.print_stats(sort='cumtime')

test11_profile = cProfile.Profile()
test11_profile.runcall(test11)
test11_profile.print_stats(sort='cumtime')

test12_profile = cProfile.Profile()
test12_profile.runcall(test12)
test12_profile.print_stats(sort='cumtime')

print('number of loops:'.ljust(left_column_width, ' '), len(loop_range), '\n')

print("x = y = a:".ljust(left_column_width, ' '), pstats.Stats(test1_profile).total_tt)
print('x = a')
print("y = a:".ljust(left_column_width, ' '), pstats.Stats(test2_profile).total_tt, '\n')

print("x = y = z = a:".ljust(left_column_width, ' '), pstats.Stats(test3_profile).total_tt)
print('x = a')
print('y = a')
print("z = a:".ljust(left_column_width, ' '), pstats.Stats(test4_profile).total_tt, '\n')

print("x = y = b:".ljust(left_column_width, ' '), pstats.Stats(test5_profile).total_tt)
print('x = b')
print("y = b:".ljust(left_column_width, ' '), pstats.Stats(test6_profile).total_tt, '\n')

print("x = y = z = b:".ljust(left_column_width, ' '), pstats.Stats(test7_profile).total_tt)
print('x = b')
print('y = b')
print("z = b:".ljust(left_column_width, ' '), pstats.Stats(test8_profile).total_tt, '\n')

print("x = y = c:".ljust(left_column_width, ' '), pstats.Stats(test9_profile).total_tt)
print('x = c')
print("y = c:".ljust(left_column_width, ' '), pstats.Stats(test10_profile).total_tt, '\n')

print("x = y = z = c:".ljust(left_column_width, ' '), pstats.Stats(test11_profile).total_tt)
print('x = c')
print('y = c')
print("z = c:".ljust(left_column_width, ' '), pstats.Stats(test12_profile).total_tt)