assigning index

[3Pinter]

Code: yeah explaining is difficult (can paste the whole code but it's a mixed with specific programming coding which makes things more unclear while the case is easier)

Trying a different explaination approach:
pos1 pos2 pos3 can be
1. pos1, pos2, pos3
2. pos1, pos2
3. pos1, pos3
each possibility triggers another value in a customfunction (hence the b, c, d value)
BUT I want things nice and tidy.
so call them first place, second place, and third place if you like:
1. first, second, third
2. first, second
3. first, second

My quesiton is about 2. and 3.: how to ensure that a T/F decisions triggers the correct places?

Makes more sense?
I read my coding as follows:
"pos1 is already given, and is executed. if pos2 is True, assign it to position 2 and while I'm at it: if pos3 is true: assign that to the third place. IF pos2 isn't true, and pos3 is True, assign position 2 to pos3."

or perhaps even easier: 3 runners participate in a competition. they can end up 1, 2, 3. If 2 backs out: number 3 becomes second not 3th. How to achieve that?

I thought using a while function (I can get the amount of participants) BUT the customfunction triggers not only that but also another value (b, c, d) ...

Horrible at explaining stuff. Sorry.

triggers = [100,200,300]
 
pos1 = True #never changes
pos2 = True
pos3 = True
 
if pos1:
    customfunction(a, d, triggers[0])
if pos2:
    customfunction(a, b, triggers[1])
    if pos3:
        customfunction(a, c,triggers[2])
elif pos3:
    customfunction(a, c, triggers[1])