Data commit

Task/Fusc-sequence/Python/fusc-sequence-1.py

@@ -0,0 +1,33 @@
+from collections import deque
+from itertools import islice, count
+
+
+def fusc():
+    q = deque([1])
+    yield 0
+    yield 1
+
+    while True:
+        x = q.popleft()
+        q.append(x)
+        yield x
+
+        x += q[0]
+        q.append(x)
+        yield x
+
+
+def longest_fusc():
+    sofar = 0
+    for i, f in zip(count(), fusc()):
+        if f >= sofar:
+            yield(i, f)
+            sofar = 10 * sofar or 10
+
+
+print('First 61:')
+print(list(islice(fusc(), 61)))
+
+print('\nLength records:')
+for i, f in islice(longest_fusc(), 6):
+    print(f'fusc({i}) = {f}')