In python how do I write an if statement using keywords not in to determine if username kwhitney is in the dictionary. If kwhitney is not in the dictionary, print out "User kwhitney is not in the dictionary.", else print out "User kwhitney is in the dictionary."

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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In python how do I write an if statement using keywords not in to determine if username kwhitney is in the dictionary. If kwhitney is not in the dictionary, print out "User kwhitney is not in the dictionary.", else print out "User kwhitney is in the dictionary."
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