Which of the following describes a key/value pair?
- A key is a string and a value is a list
- A key/value pair is another name for an array.
- A key describes the data and the value is the data itself.
- A key/value pair is only used in JSON.
Explanation: The key is usually on the left side and it identifies or describes the data. The value on the right is the data itself and can be a character, string, number, list or another type of data.
Exam with this question: 14.2.9 Check Your Understanding - Data Formats
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