Parse Ticket Inventory JSON | Dataford Interview Questions

Write a function to parse a JSON payload of ticket inventory and return the total available seats per section.

The input is a JSON string representing an object with a sections array. Each section has a unique name and a seats array, where each seat has a status of either "available" or "sold". Return a dictionary mapping each section name to its available-seat count. Assume the JSON is valid and section names are unique.

Constraints

The payload is a valid JSON string.
The top-level JSON value is an object containing a sections array.
Each section has a unique string name and a seats array.
Each seat has a status equal to either available or sold.
The total number of seats across all sections is at most 10^5.

Function Signature

def available_seats_by_section(payload):

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Problem

Write a function to parse a JSON payload of ticket inventory and return the total available seats per section.

Constraints

The payload is a valid JSON string.
The top-level JSON value is an object containing a sections array.
Each section has a unique string name and a seats array.
Each seat has a status equal to either available or sold.
The total number of seats across all sections is at most 10^5.

Function Signature

def available_seats_by_section(payload):

Your question is Parse Ticket Inventory JSON. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.