4. Write a python methods shift left and shift right that shift the list one item to the left/or right. Example b=[6,3,2,4,7] shift left(b) print(b) then the following sequence will be printed: 32476 þ=[6,3,2,4,7] shift_right(b) print(b) then the following sequence will be printed: 76324

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Write a python code 

**Python List Shift Methods**

This educational example demonstrates how to write Python methods `shift_left` and `shift_right` to shift elements of a list by one position to the left or right, respectively.

### Example

```python
b = [6, 3, 2, 4, 7]
shift_left(b)
print(b)
```

With the `shift_left` method, the list is transformed as follows:
- Original list: [6, 3, 2, 4, 7]
- Transformed list: [3, 2, 4, 7, 6]

```python
b = [6, 3, 2, 4, 7]
shift_right(b)
print(b)
```

With the `shift_right` method, the list is transformed as follows:
- Original list: [6, 3, 2, 4, 7]
- Transformed list: [7, 6, 3, 2, 4]

This example shows how list elements can be efficiently manipulated in Python using custom methods.
Transcribed Image Text:**Python List Shift Methods** This educational example demonstrates how to write Python methods `shift_left` and `shift_right` to shift elements of a list by one position to the left or right, respectively. ### Example ```python b = [6, 3, 2, 4, 7] shift_left(b) print(b) ``` With the `shift_left` method, the list is transformed as follows: - Original list: [6, 3, 2, 4, 7] - Transformed list: [3, 2, 4, 7, 6] ```python b = [6, 3, 2, 4, 7] shift_right(b) print(b) ``` With the `shift_right` method, the list is transformed as follows: - Original list: [6, 3, 2, 4, 7] - Transformed list: [7, 6, 3, 2, 4] This example shows how list elements can be efficiently manipulated in Python using custom methods.
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