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1. Set data structure: how to search fo... Set data structure: how to search for objects by key, in a Set of objects

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   const originalStocks = new Set([

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       { id: '001', ticker: 'SNAP', company: 'Snap' },

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       { id: '002', ticker: 'TSLA', company: 'Tesla' },

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       { id: '003', ticker: 'AMZN', company: 'Amazon' },

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       { id: '004', ticker: 'TWTR', company: 'Twitter' },