How to go back to the original exercise notebook

[T_Luheerathan]

I modified the notebook with wrong codes. My notebook collapsed completely. How can I go back to original notebook back?

[TMosh]

Please see this FAQ:

FAQ: Frequently Asked Questions for all DLS Courses

Here is a list of Frequently Asked Questions about the DLS Courses, the assignments and other course related topics. Topics Get a clean copy of an assignment All my previous work has disappeared! Name errors on predefined functions When to use np.multiply or np.dot Missing “Submit Assignment” button Source code for utility functions Access to assignments after completing the courses Managing course deadlines ML/DL textbooks Derivation of back propagation Symmetry Breaking Formatting mathematic…