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Implement lodash.get
Implement get(obj, path, defaultValue) where path is a string like user.profile.name or a[0].b. Return defaultValue when the path does not exist.
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Implement lodash.get: Implement get(obj, path, defaultValue) where path is a string like user.profile.name or a[0].b. Return defaultValue when the path does not exist. Expect objects and parsing decisions under intermediate level constraints.
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