Which two initial actions should you take when exploring automation for ACI?

Which two initial actions should you take when exploring automation for ACI? (Choose two.)
A. Develop an open-source package or SDK
B. Look for an open-source package or SDK
C. Write scripts that leverage the Python standard library
D. Use the API inspector and test API calls.
E. Use the ncclient command to explore the NETCONF capabilities of the Cisco APIC.