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diff --git a/misc/factoralLog.py b/misc/factoralLog.py
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+#!python3
+
+# Chapter 10 Factoral Log
+
+import logging
+logging.basicConfig(filename='errorLog.txt', level=logging.DEBUG, format=' %(asctime)s - %(levelname)s - %(message)s')
+logging.debug('Start of Program')
+
+def factorial(n):
+    logging.debug('Start of Factorial(%s%%)' % (n))
+    total = 1
+    for i in range(1, n + 1):
+        total *= i
+        logging.debug('i is ' + str(i) + ', total is ' + str(total))
+    logging.debug('End of Factorial(%s%%)' % (n))
+    return total
+
+print(factorial(5))
+logging.debug('End of Program')