1 files changed, 17 insertions, 0 deletions
diff --git a/fibonacci.py b/fibonacci.py
new file mode 100755
index 0000000..bf1ea4a
--- /dev/null
+++ b/fibonacci.py
@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+
+def fibonacci(n):
+    if n == 0:
+        return 0
+    elif n == 1:
+        return 1
+    else:
+        return fibonacci(n - 1) + fibonacci(n - 2)
+
+# code below will execute only if this .py file is ran directly instead of being imported
+if __name__ == "__main__":
+    import sys
+    if (len(sys.argv) == 2):
+        print('fibonacci of ' + str(int(sys.argv[1])) + ' is ' + str(fibonacci(int(sys.argv[1]))));
+    else:
+        print('usage: fibonacci.py <number>');