Which Python code block is an example of a context manager?

Which Python code block is an example of a context manager?
A . while True: device C Device(host-“vmx-1”, user-“lab”, passwd-“lab123”)…
B . try: device C Device(host-“vmx-1”, user-“lab”, passwd-“lab123”)… except: print(“Unable to connect to the vMX1”)
C . with Device(host=”vmx-1”, user=”lab”, passwd=”lab123”) as device:…
D . for host in [“vmx-1”, “vmx-2”]: device C Device(host-host, user-“lab”, passwd-“lab123”)…

View Answer

Answer: B