Cisco 200-901 Exam - Topic 1 Question 109 Discussion

The provided diff format shows changes between two versions of a file. The + signs indicate lines that have been added in the new file (new.py). The code snippet that belongs to the new file is the one with + signs, showing the addition of code to print the device list filtered by hostname. The added lines include printing the message and setting the query_string_params to filter by hostname.