AoC2020/01-1-1.py

l=set(map(int,open(0)))
print([a*b for a in l if (b:=2020-a) in l])
Replace /dev/stdin with 0 2020-12-04 11:37:31 +00:00			`l=set(map(int,open(0)))`
Shorter 01-1 2020-12-03 23:43:22 +00:00			`print([a*b for a in l if (b:=2020-a) in l])`