Data used for lab(machine learning spec.)

Welcome to the community, @Hisham_Sharaf!

I guess you talk about ML Specialication, where @paulinpaloalto already wrote a great reply!

Also: I was not sure if you were asking about permission rights:
In general, you can also find some published repos -often with a license- from DL.AI with data sets like this one:

If you are looking for other data sets with some minimum examples how to process them w/ some effective libraries and packages, feel free to check this thread out: How to get datasets for practice? - #2 by Christian_Simonis

Best regards
Christian