Chapter folders renamed

Chapter04/logging/logging6.py

@@ -0,0 +1,15 @@
+#logging6.py
+import logging
+import logging.config
+import yaml
+
+with open('logging6.conf.yaml', 'r') as f:
+    config = yaml.safe_load(f.read())
+    logging.config.dictConfig(config)
+
+logger = logging.getLogger('my_logger')
+
+logger.error("This is an error message")
+logger.warning("This is a warning message")
+logger.info("This is a info message")
+logger.debug("This is a debug message")