Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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python regular expressions

 

```python
def validate_zip_plus(zip_plus: str) -> bool:
    """
    Validate zip plus code, five digits followed by a dash and four more digits,
        e.g., 41243-1234 (no spaces).
    Args:
        zip_plus: zip plus code to validate
    Returns:
        True if zip plus is valid, False otherwise
    """
    # TODO: replace with your implementation (don't forget to add doctests)
    pass
```

### Explanation

This Python function, `validate_zip_plus`, is designed to validate ZIP+4 postal codes. ZIP+4 codes are an extension of the standard five-digit ZIP codes, consisting of five digits, a hyphen, and four additional digits, like `41243-1234`.

#### Function Details:

- **Function Signature:**
  - `validate_zip_plus(zip_plus: str) -> bool`

- **Description:**
  - The function takes a single argument `zip_plus`, a string, representing the ZIP+4 code to be validated.
  
- **Arguments:**
  - `zip_plus`: This is the ZIP+4 code provided by the user that needs validation.
  
- **Returns:**
  - The function will return `True` if the ZIP+4 code is valid, and `False` otherwise.

- **Implementation Note:**
  - The function body currently contains a `pass` statement, which means it does not yet include the actual implementation logic for validation. A `TODO` comment reminds developers to implement the necessary code and include doctests for verification.

The purpose of this function is to ensure correctness and convenience when handling extended ZIP codes, typically used for more precise delivery locations.
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Transcribed Image Text:```python def validate_zip_plus(zip_plus: str) -> bool: """ Validate zip plus code, five digits followed by a dash and four more digits, e.g., 41243-1234 (no spaces). Args: zip_plus: zip plus code to validate Returns: True if zip plus is valid, False otherwise """ # TODO: replace with your implementation (don't forget to add doctests) pass ``` ### Explanation This Python function, `validate_zip_plus`, is designed to validate ZIP+4 postal codes. ZIP+4 codes are an extension of the standard five-digit ZIP codes, consisting of five digits, a hyphen, and four additional digits, like `41243-1234`. #### Function Details: - **Function Signature:** - `validate_zip_plus(zip_plus: str) -> bool` - **Description:** - The function takes a single argument `zip_plus`, a string, representing the ZIP+4 code to be validated. - **Arguments:** - `zip_plus`: This is the ZIP+4 code provided by the user that needs validation. - **Returns:** - The function will return `True` if the ZIP+4 code is valid, and `False` otherwise. - **Implementation Note:** - The function body currently contains a `pass` statement, which means it does not yet include the actual implementation logic for validation. A `TODO` comment reminds developers to implement the necessary code and include doctests for verification. The purpose of this function is to ensure correctness and convenience when handling extended ZIP codes, typically used for more precise delivery locations.
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