better 1a_v2

Programator2 · Programator2 · commit d5bf4f64c5ef · 2020-12-06T18:38:10.000+01:00
diff --git a/2020/1a_v2.py b/2020/1a_v2.py
@@ -2,7 +2,8 @@
 
 
 def main():
-    print(sum(load_ints('1.txt')))
+    lines = load_ints('1.txt')
+    print(sum(i*j for i in lines for j in lines if i + j == 2020))
 
 
 main()
