You can usually ignore the differences between Kubernetes deployments and OpenShift deployment configurations when troubleshooting applications. The common failure scenarios and the ways to troubleshoot them are essentially the same.
Pod scheduling on Openshift
Secrets and Service Accounts on Openshift
Exceptions in Python
1. In Python, there is a distinction between two kinds of errors:
Dictionaries in Python
1. Dictionaries are unordered*, changeable (mutable), and indexed collections of data. (*In Python 3.6x dictionaries have become ordered by default.