📝 Update docs and clustering notes

Author: eocode

Docs/1. Python/README.MD

@@ -0,0 +1,12 @@
+def factorial(n):
+    """Calcula el factorial de n
+    n int > 0
+    return n!
+    """
+
+    if n == 1:
+        return 1
+
+    return n * factorial(n - 1)
+n = int(input('Escribe un valor: '))
+print(f'{factorial(n)} combinaciones posibles (Factorial)')