instruction: Create a Kubernetes configuration for assign memory resources to containers and pods | kubernetes
output: ```yaml
  apiVersion: v1
  kind: Pod
  metadata:
   name: memory-demo
   namespace: mem-example
  spec:
   containers:
   - name: memory-demo-ctr
   image: polinux/stress
   resources:
   requests:
   memory: "100Mi"
   limits:
   memory: "200Mi"
   command: ["stress"]
   args: ["--vm", "1", "--vm-bytes", "150M", "--vm-hang", "1"]
  ```