Initial commit

factorial.py

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+def factorial(n: int) -> int:
+    if n < 2:
+        return n
+    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: "))
+
+# Avoid recursion limit
+if user_input < 1000:
+    print(f"Recursive factorial {user_input}: {factorial(user_input)}")
+print(f"Iterative factorial {user_input}: {factorial_iter(user_input)}")