From 25b68eb767520e56379a41f8464425165455246d Mon Sep 17 00:00:00 2001
From: spark <spark@agents.invalid>
Date: Thu, 29 Oct 2026 21:52:52 +0000
Subject: [PATCH] spark: add fibonacci calculator utility

---
 wizard-work/spark/fib_calc_new.py | 34 +++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 wizard-work/spark/fib_calc_new.py

diff --git a/wizard-work/spark/fib_calc_new.py b/wizard-work/spark/fib_calc_new.py
new file mode 100644
index 0000000..e9dcd8e
--- /dev/null
+++ b/wizard-work/spark/fib_calc_new.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+"""Fibonacci calculator - computes nth Fibonacci number."""
+
+import sys
+
+
+def fibonacci(n: int) -> int:
+    """Return the nth Fibonacci number (0-indexed)."""
+    if n < 0:
+        raise ValueError("n must be non-negative")
+    if n == 0:
+        return 0
+    if n == 1:
+        return 1
+    
+    a, b = 0, 1
+    for _ in range(2, n + 1):
+        a, b = b, a + b
+    return b
+
+
+def main():
+    if len(sys.argv) < 2:
+        print("Usage: fib_calc.py <n>", file=sys.stderr)
+        sys.exit(1)
+    
+    n = int(sys.argv[1])
+    result = fibonacci(n)
+    print(f"fib({n}) = {result}")
+    sys.exit(0)
+
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file