ending: the email must end with a (.com) or (.ca) (case sensiti
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...
Related questions
Question
Do not add any imports, the ones that you need will be given to you.
Do not use try-except statements, you should be able to anticipate
or prevent any errors from happening at all!

Transcribed Image Text:ending: the email must end with a (.com) or (.ca) (case sensitive)
Note: you must not use any loops (for, while) here.
We want you to just use the re library for this function.
>>> find_email('12345a_test_email@165265365.com!')
'a_test_email@165265365.com'
pass

Transcribed Image Text:def find email(s: str) -> str:
Given a string <s>, return the email that exists in the string.
Preconditions:
<s> contains at most 1 email, or none at all.
If <s> does not contain an email, return the empty string.
Email definition:
An email address is defined as 'name@domain.com' or 'name@domain.ca'
with the following specifications:
name: the name is an alphanumeric string that is less than or
equal to 12 characters. Additional characters allowed are
dash (-), period (.) and underscore (_). But the email
cannot start or end with these additional characters.
The name must also be at least 1 character long.
Example names:
ab
a_b
A__B..C--D
1nt3r3st.1ng
domain: the domain is strictly numerical, and the number must be
divisible by 5. the length of the domain is unrestricted.
Example domains:
984125
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