Calling Python variables within a for loop

Consider I have three lists, stored in file sports.py, which is separate from the .py file I'm working in:

games_1 = ["Tennis", …]
games_2 = ["Cricket", …] 
games_3 = ["Golf", …] 

I also have a variable var_game == "Football".

I would like to check which lists var_game appears in. So far I have tried:

for N in range(1,3):
    if var_game in sports.games_N:
        gamesN_check = 1
    else:
        gamesN_check = 0

However, Python does not let me use N to cycle through the lists in this way. How do I need to use it with the correct syntax?

Many thanks in advance!