changed lambda counter demo to work with AWS educate accounts

example-projects/counter-demo/aws-lambda/invoke-function.py

@@ -7,7 +7,8 @@ import json
 #
 ################################################################################################
 
-region = 'eu-central-1'
+# region = 'eu-central-1'
+region = 'us-east-1'
 functionName = 'cloudcomp-counter-lambda-demo'