Q4: Make a List Create the list with the following box-and-pointer diagram: 1 (define 1st | → 2 3 5 → 4

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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**Q4: Make a List**

Create the list with the following box-and-pointer diagram:

---

The diagram consists of six labeled boxes connected by arrows, representing a linked list structure:

1. **Box 1**: Contains the value "1" and an arrow pointing towards Box 2.
2. **Box 2**: Contains the value "2" and has two arrows: one pointing backwards to Box 1 and another pointing towards Box 3.
3. **Box 3**: Contains the value "3" and an arrow pointing towards Box 4.
4. **Box 4**: Contains the value "4".
5. **Box 5**: Contains the value "5" and an arrow pointing towards a null reference, indicating the end of the list.

---

**Code Section:**

```scheme
(define lst
  'YOUR-CODE-HERE
)
```

Your task is to write the code that constructs a list to match the given diagram. This involves ensuring the elements are ordered and linked as depicted in the diagram.
Transcribed Image Text:**Q4: Make a List** Create the list with the following box-and-pointer diagram: --- The diagram consists of six labeled boxes connected by arrows, representing a linked list structure: 1. **Box 1**: Contains the value "1" and an arrow pointing towards Box 2. 2. **Box 2**: Contains the value "2" and has two arrows: one pointing backwards to Box 1 and another pointing towards Box 3. 3. **Box 3**: Contains the value "3" and an arrow pointing towards Box 4. 4. **Box 4**: Contains the value "4". 5. **Box 5**: Contains the value "5" and an arrow pointing towards a null reference, indicating the end of the list. --- **Code Section:** ```scheme (define lst 'YOUR-CODE-HERE ) ``` Your task is to write the code that constructs a list to match the given diagram. This involves ensuring the elements are ordered and linked as depicted in the diagram.
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