test mult vars to same value, how to shorten expr?

[notnorwegian at yahoo.se]

 if i want o test:
if a == 5 and b ==5 and c==5 ... z==5

is there some synctactic suagr for this?

rather than maiking one of my own i mean, something built-in like:
if a,b,c... z == 5: