def validate_phone (phone: str) -> bool: "*"Validate phone number, e.g., 123-456-7890 or (123)456-7890 or 123.456.7890 Args: phone: phone number to validate Returns: True if phone is valid, False otherwise Examples: The following are examples of valid phone numbers: (123) 456-7890 (123)456-7890 123-456-7890 123.456.7890 The following are examples of invalid phone numbers: (123)4567890 456-7890 123 456-7890 # TODO: replace with your implementation (don't forget to add doctests) pass

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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python regular expressions

 

def validate_phone (phone: str) -> bool:
"*"Validate phone number, e.g., 123-456-7890 or (123)456-7890 or 123.456.7890
Args:
phone: phone number to validate
Returns:
True if phone is valid, False otherwise
Examples:
The following are examples of valid phone numbers:
(123) 456-7890
(123)456-7890
123-456-7890
123.456.7890
The following are examples of invalid phone numbers:
(123)4567890
456-7890
123 456-7890
# TODO: replace with your implementation (don't forget to add doctests)
pass
Transcribed Image Text:def validate_phone (phone: str) -> bool: "*"Validate phone number, e.g., 123-456-7890 or (123)456-7890 or 123.456.7890 Args: phone: phone number to validate Returns: True if phone is valid, False otherwise Examples: The following are examples of valid phone numbers: (123) 456-7890 (123)456-7890 123-456-7890 123.456.7890 The following are examples of invalid phone numbers: (123)4567890 456-7890 123 456-7890 # TODO: replace with your implementation (don't forget to add doctests) pass
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