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username = 'user3'
usernames = ['user1', 'user2', 'user3', 'user4']


def check_list_for_pattern(user: str, users: list) -> bool:
    return True if user in users else False


print(check_list_for_pattern(username, usernames))

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From: Tutor <tutor-bounces+collisio=net-devops.com at python.org> on behalf of Alfie Lee <alfielee21 at outlook.com>
Sent: Monday, February 10, 2020 7:36:05 PM
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Subject: [Tutor] (no subject)



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If say I had a variable called ‘username’, and a list of usernames called ‘usernames’; how would I write it so that the programme will check if that username is in the usernames list?
this would be using an if statement if possible.

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