How to start parsing expressions sections?

Challenges
1

I’m stuck on the first step of the parsing expressions section.
Since the parser is supposed to be a top down recursive parser, I’m wondering if I need to write code for all the steps in the grammar before passing test cases, especially for the string and number literal cases?

Edit: I’m trying not to look at the code given in the textbook as try to solve it independently

3

Closing this thread due to inactivity. If you still need assistance, feel free to start a new discussion!

4

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