There was a problem compiling the code from your notebook. Details: name 'root_dir' is not defined

Hi, this is the result I have gotten after completion of the assignment. Can anyone assist me on it? Thanks.

You might try a search, seems like you’re not the first to run into this issue…

https://community.deeplearning.ai/search?q=Root_dir

just add one line just below start code here:
os.mkdir(‘/tmp/cats-v-dogs’)