[py] Port 2018_01

py/aoc/y2018/d01.py

@@ -0,0 +1,17 @@
+def find_repeat(freqs):
+    total = 0
+    found = {total}
+
+    while True:
+        for n in freqs:
+            total += n
+            if total in found:
+                return total
+            else:
+                found.add(total)
+
+
+def solve(inputstr):
+    freqs = [int(freq) for freq in inputstr.splitlines()]
+    print(f"Part 1: {sum(freqs)}")
+    print(f"Part 2: {find_repeat(freqs)}")