Instruction: Explain the purpose of 'Pick' and 'Omit' utility types and demonstrate their usage with a practical example.
Context: This question tests the candidate's knowledge of TypeScript's utility types, specifically 'Pick' and 'Omit', and their ability to manipulate types for creating more specific type definitions.
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'Pick' and 'Omit' are incredibly powerful tools in TypeScript for creating new types by selectively filtering properties from existing types. The 'Pick' utility type allows us to create a new type by selecting a subset of properties from another type. On the other hand, 'Omit' lets us create a new type by excluding specified properties from another type. Both are crucial for maintaining type safety while ensuring flexibility in your codebase.
Let's consider a practical example relevant to a typical frontend development scenario. Assume we have a type representing a user:...