
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Please implement the function both_ends(s). Given a string s, return a string made of the first 2 and the last 2 chars of the original string, so 'employee' yields 'emee', and ’er’ yields 'erer' (since the first 2 and the last 2 chars are both 'er') However, if the string length is less than 2, return instead the empty string. The function takes a string s as its argument.
Please write python code
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