Fibonacci Series in Python

Code/Factorial_of_nth_Number.py

@@ -0,0 +1,14 @@
+# Contributed by @Hinal-Srivastava 
+def Fibonacci(n): 
+    if n<0: 
+        print("Incorrect input") 
+    elif n==1: 
+        return 0
+    elif n==2: 
+        return 1
+    else: 
+        return Fibonacci(n-1)+Fibonacci(n-2) 
+
+# Driver Program 
+n = int(input("Enter Number: "))  
+print(Fibonacci(n)) 

Code/factorial.py

@@ -1,16 +1,13 @@
-
-#program to find the factorial of a number provided by a user
-
-if __name__ == "__main__":
-    number = int(raw_input("Enter a number to get its factorial: "))
-    factorial = 1
-
-    if number < 0:
-        print("Sorry, factorial doesn't exist for negative numbers!")
-    elif number == 0:
-        print("The factorial of 0 is 1")
-    else:
-        for i in range(1, number + 1):
-            factorial = factorial * i
-        print "The factorial of %r is %r" % (number, factorial)
-
+# Contributed by @Hinal-Srivastava 
+def Fibonacci(n): 
+    if n<0: 
+        print("Incorrect input") 
+    elif n==1: 
+        return 0
+    elif n==2: 
+        return 1
+    else: 
+        return Fibonacci(n-1)+Fibonacci(n-2) 
+
+# Driver Program 
+print(Fibonacci(100))