Fix bugs and clean up python factorial code

factorial_examples/factorial.py

@@ -1,20 +1,24 @@
 def factorial(n: int) -> int:
     if n < 2:
-        return n
+        return 1
     else:
         return n * factorial(n-1)
 
 def factorial_iter(n: int) -> int:
     fact = 1
-    # Grab absolute value to ensure n is a positive integer
-    n = abs(n)
     for i in range(2, n+1):
         fact *= i
     return fact
 
 user_input = int(input("Insert number to calculate factorial for: "))
 
+# Get absolute value to force integer into positive range
+user_input = abs(user_input)
+
 # Avoid recursion limit
 if user_input < 1000:
     print(f"Recursive factorial {user_input}: {factorial(user_input)}")
+else:
+    print(f"Recursive factorial {user_input}: [Recursion limit error]")
+
 print(f"Iterative factorial {user_input}: {factorial_iter(user_input)}")