Initial data commit

Task/Fibonacci-sequence/Python/fibonacci-sequence-14.py

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+'''Fibonacci accumulation'''
+
+from itertools import accumulate, chain
+from operator import add
+
+
+# fibs :: Integer :: [Integer]
+def fibs(n):
+    '''An accumulation of the first n integers in
+       the Fibonacci series. The accumulator is a
+       pair of the two preceding numbers.
+    '''
+    def go(ab, _):
+        return ab[1], add(*ab)
+
+    return [xy[1] for xy in accumulate(
+        chain(
+            [(0, 1)],
+            range(1, n)
+        ),
+        go
+    )]
+
+
+# MAIN ---
+if __name__ == '__main__':
+    print(
+        'First twenty: ' + repr(
+            fibs(20)
+        )
+    )