Data update

Task/Fibonacci-sequence/Python/fibonacci-sequence-16.py

@@ -1,3 +1,17 @@
-def fib(n):
+def nth_fib(n):
+    """Nth Fibonacci term (by folding)
+
+    Nth integer in the Fibonacci series.
+    """
     from functools import reduce
-    return reduce(lambda x, y: (x[1], x[0] + x[1]), range(n), (0, 1))[0]
+    return reduce(
+        lambda acc, _: (acc[1], sum(acc)),
+        range(1, n),
+        (0, 1)
+    )[0]
+
+
+# MAIN ---
+if __name__ == '__main__':
+    n = 1000
+    print(f'{n}th term: {nth_fib(n)}')