update samples from Release-11 as a part of 1.5.0 SDK stable release

how-to-use-azureml/reinforcement-learning/cartpole-on-single-compute/files/utils/misc.py

@@ -0,0 +1,13 @@
+'''Misc module:
+    Miscellaneous helper functions and utilities.
+'''
+
+import os
+import glob
+
+
+# Helper function to find a file or folder path
+def find_path(name, path_prefix):
+    for root, _, _ in os.walk(path_prefix):
+        if glob.glob(os.path.join(root, name)):
+            return root