Refer to the exhibit.

An engineer is comparing two files by using the unified diff format. Which cade snippet belongs to the new.py file?
A.

B.

C.

D.

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.
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