ssangervasi
diff --git a/‎math/factorial_iterative.py
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+16Lines changed: 16 additions & 0 deletions b/‎math/factorial_iterative.py
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+16Lines changed: 16 additions & 0 deletions
diff --git a/‎math/factorial_recursive.py
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+12Lines changed: 12 additions & 0 deletions b/‎math/factorial_recursive.py
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+12Lines changed: 12 additions & 0 deletions
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+"""Factorial of n (iterative implementation).
+
+@author: Pablo Trinidad <github.com/pablotrinidad>
+"""
+
+
+def factorial(n):
+    """Algorithm implementation."""
+    r = 1
+    while n > 0:
+        r = r * n
+        n = n - 1
+    return r
+
+n = int(input("Enter an integer n to compute its factorial: "))
+print(str(n) + "! = " + str(factorial(n)))
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+"""Factorial of n (recursive implementation).
+
+@author: Pablo Trinidad <github.com/pablotrinidad>
+"""
+
+
+def factorial(n):
+    """Algorithm implementation."""
+    return 1 if n <= 0 else n * factorial(n - 1)
+
+n = int(input("Enter an integer n to compute its factorial: "))
+print(str(n) + "! = " + str(factorial(n)))