Walking the shape — loops over the data AI hands back (step 8/8) · read the data shapes

Checkpoint

One last thing before we move on. Same surface as a write step — but the lesson doesn't complete until this passes.

Final drill. The report dict below holds a list of orders, each with a list of line items. Compute the total dollar value across all items in all orders, and print it.

Expected output:

Checkpoint

One last thing before we move on. Same surface as a write step — but the lesson doesn't complete until this passes.

Final drill. The report dict below holds a list of orders, each with a list of line items. Compute the total dollar value across all items in all orders, and print it.

Expected output:

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Walking the shape — loops over the data AI hands back — step 8 of 8