Since everyone wanted me to use lists for D1, here you go

Also, zombie, your PR kinda sucked so I deleted it and made my own

day1/day1-alt.py

@@ -0,0 +1,22 @@
+if __name__ == "__main__":
+    elves = []
+
+    with open('input', 'r') as f:
+        sum_ = 0
+        for line in f:
+            if line.strip() == '':
+                elves.append(sum_)
+                sum_ = 0
+            else:
+                sum_ += int(line.strip())
+
+    elves.append(sum_)
+
+    elves.sort(reverse=True)
+
+    largest = elves[0]
+    print(f'Max Value: {largest}')
+
+    top3 = elves[0] + elves[1] + elves[2]
+
+    print(f'Top 3: {top3}')

day1/day1.py

@@ -1,23 +1,24 @@
 if __name__ == "__main__":
-    elves = {}
+    elves = []
 
     with open('input', 'r') as f:
-        elf = 0
-        elves[0] = 0
+        sum_ = 0
         for line in f:
             if line.strip() == '':
-                elf += 1
-                elves[elf] = 0
+                elves.append(sum_)
+                sum_ = 0
             else:
-                elves[elf] += int(line.strip())
+                sum_ += int(line.strip())
 
-    largest = max(elves, key=elves.get)
-    print(f'Index: {largest}\nValue: {elves[largest]}')
+    elves.append(sum_)
+
+    largest = max(elves)
+    print(f'Max Value: {largest}')
 
     top3 = 0
     for i in range(3):
-        largest = max(elves, key=elves.get)
-        top3 += elves[largest]
-        del elves[largest]
+        largest = max(elves)
+        top3 += largest
+        elves.remove(largest)
 
     print(f'Top 3: {top3}')

day1/input2

@@ -0,0 +1,55 @@
+5324
+5176
+2197
+2701
+6185
+3901
+5392
+2065
+6467
+6085
+5062
+1841
+1197
+1318
+
+4901
+3443
+1403
+5570
+4336
+5672
+2532
+5627
+6038
+1099
+4305
+2317
+1382
+3226
+4427
+
+2612
+15638
+
+4118
+4687
+2243
+3532
+2089
+3937
+1146
+5069
+5728
+2962
+3099
+5882
+5448
+6064
+
+2642
+7996
+5334
+10384
+1106
+2742