Added Fibonacci series

Fibonacci.py

@@ -0,0 +1,31 @@
+#https://lm.facebook.com/l.php?u=https%3A%2F%2Fyoutu.be%2Fx084tfX4JnI%3Ffbclid%3DIwAR0j_OQsqIbYKlpOvgrICm2JOBPtt2stylYhimuFzOgiqYDUhsAEndNl4ho&h=AT2b-T68wP1EqLbQG_RSvj3rUuTUx5Fq0eecmX0MWN0gVjAFh1nXqFBmZ67toFaoT7AEVHxKRF-1SgENOg3TmXc9QLyhjsBNbzASrj7Jd5Ge1LeLsbAwFGBfJUavzOL3gxMBRBL4z2je2ZZWV1m9Zg
+# subscribed by code house  
+# Function for nth Fibonacci number
+
+
+def Fibonacci(n):
+
+    if n<=0:
+
+        print("Incorrect input")
+
+    # First Fibonacci number is 0
+
+    elif n==1:
+
+        return 0
+
+    # Second Fibonacci number is 1
+
+    elif n==2:
+
+        return 1
+
+    else:
+
+        return Fibonacci(n-1)+Fibonacci(n-2)
+
+# Driver Program
+
+
+print(Fibonacci(9))