Create NthFibonacci.py

Author: Mego

NthFibonacci/NthFibonacci.py

@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+
+import sys
+
+def fib(N):
+  a = 0
+  b = 1
+  for _ in range(N):
+    a, b = b, a+b
+  return a
+
+if __name__ == '__main__':
+  if len(sys.argv) >= 2:
+    print(fib(int(sys.argv[1])))
+  else:
+    print(fib(int(input())))