[Python/2018] Move solutions into .py files

Python/2018/08.py

@@ -0,0 +1,41 @@
+from lib import *
+
+input = read_input(2018, 8)
+
+(*nums,) = map(int, input.split())
+
+
+def get_metadata_sum():
+    child_count = nums.pop(0)
+    meta_count = nums.pop(0)
+    out = 0
+    for _ in range(child_count):
+        out += get_metadata_sum()
+    for _ in range(meta_count):
+        out += nums.pop(0)
+    return out
+
+
+print(get_metadata_sum())
+
+
+(*nums,) = map(int, input.split())
+
+
+def get_value():
+    child_count = nums.pop(0)
+    meta_count = nums.pop(0)
+    out = 0
+
+    childs = [get_value() for _ in range(child_count)]
+
+    for _ in range(meta_count):
+        num = nums.pop(0)
+        if not child_count:
+            out += num
+        elif 1 <= num <= child_count:
+            out += childs[num - 1]
+    return out
+
+
+print(get_value())