I am new to programming and would like to add a counter that deducts 1 from your score every two seconds. (so that I have to answer quickly to make my score increase)

```
chr
import random
import time
radians2 = None
ans = None
score = 0

radians1 = ['0', 'π/6', 'π/3', 'π/4', 'π/2', '2π/3', '3π/4', '5π/6', 'π', '7π/6', '4π/3', '5π/4', '3π/2', '5π/3', '7π/4', '11π/6', '2π']
while radians2 == ans or ans == None:

radians3 = (random.choice(radians1))
ans = input(radians3)
if radians3 == '0':
    radians2 = 0

elif radians3 == 'π/6':
    radians2 = 30

elif radians3 == 'π/3':
    radians2 = 60

elif radians3 == 'π/4':
    radians2 = 45

elif radians3 == 'π/2':
    radians2 = 90

elif radians3 == '2π/3':
    radians2 = 120

elif radians3 == '3π/4':
    radians2 = 135

elif radians3 == '5π/6':
    radians2 = 150

elif radians3 == 'π':
    radians2 = 180

elif radians3 == '7π/6':
    radians2 = 210

elif radians3 == '4π/3':
    radians2 = 240

elif radians3 == '5π/4':
    radians2 = 225

elif radians3 == '3π/2':
    radians2 = 270

elif radians3 == '5π/3':
    radians2 = 300

elif radians3 == '7π/4':
    radians2 = 315

elif radians3 == '11π/6':
    radians2 = 330

elif radians3 == '2π':
    radians2 = 360
score = score + 1

if radians2 == ans:
    print('Correct!')
    print "You've got %d in a row" % score
print "You lose, the correct answer was %d" % radians2

```

Sorry if the code is messy/long
I figured out that I want to basically run something like:

```
while 1:
     time.sleep(2)
     score = score - 1

```

The only problem is that won't run simultaneously with the rest of the program, and threading (which is what seems to be the alternative) is very confusing to me.