Day 6.

06.py

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+import operator
+
+
+def redistribute(buckets):
+    while True:
+        max_index, max_value = max(enumerate(buckets), key=operator.itemgetter(1))
+        buckets[max_index] = 0
+        for i in range(max_value):
+            buckets[(max_index + i + 1) % len(buckets)] += 1
+        yield buckets
+
+
+def find_loop(buckets):
+    history = [list(buckets)]
+    for i, new_bucket in enumerate(redistribute(buckets), start=1):
+        if new_bucket in history:
+            return i
+        history.append(list(buckets))
+
+
+with open('data/06.txt', 'r') as file:
+    buckets = list(map(int, file.readline().split('\t')))
+    print(f'Part one: {find_loop(buckets)}')
+    print(f'Part two: {find_loop(buckets)}')

data/06.txt

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+4	1	15	12	0	9	9	5	5	8	7	3	14	5	12	3