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Welcome back. So now let's move on to the first main function for the program

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that would allow the user to register.

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All right. So

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let's go all the way to the top in here and let's push

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the user interface function all the way down. And let's come up here.

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Actually, I'm just going to add a note and say regis registration

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uh function.

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OK.

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OK. So what do we call the function? Let's say register

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underscore user.

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All right,

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we're just a user brackets. Let's add a colon.

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OK.

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So we want to accept the user username and a password. So let's prompt them to do that.

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All right. So I'm gonna say username

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equals and now inputs

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in brackets, let's say enter a username

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colon.

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Ok.

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And then let us prompt them for the password as well. So password

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equals

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input and then in brackets

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enter a password

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colon and there you go.

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All right. So right now, once the user has provided the username and the password,

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we would like to store them in a file, we can call the file users dot TXT as an example.

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Ok. So

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what we're gonna do is

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we are going to say with

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and now open, remember we need this function to create our file.

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So now let us add the name of the file. I'm going to call it users

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dot txt.

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And now let us enable the append mode.

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So I'm gonna say a

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OK. And then as well as file

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colon.

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All right. And now

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we can use the right function. So I'll say file dot right.

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And now in brackets,

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we can use our F string.

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And then let us add a codes,

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color braces, user

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name.

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Let's close that.

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And then we can also add a column to separate the password from the username.

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So col braces again

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and then we can add a password.

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And then for good measure,

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we can do the

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uh backward slash and then n

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so that each user

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information will be stored on a separate line.

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Each user credential will be stored on a separate line

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and it is OK.

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All we gotta do right now is we can print out

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a simple message

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that would say something like print. And then we can say

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uh user registration

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was successful.

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OK.

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And there it is. OK.

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So how do we now integrate our registration function with the main function itself?

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What we're gonna do right now is we're going to come

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all the way right here and say if choice equals one,

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then we can remove this.

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We no longer need this print statement

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and we will just call the function and the

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function that we created here was what register on

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user. So right here,

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I'll just say register

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underscore user

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and then brackets

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and then there it is. So hopefully,

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uh this should work. Let's go ahead right now and test it.

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So I'm gonna run the program.

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Ok?

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Number one, we want to register press enter, enter, username.

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I'm going, I'm gonna go with Alex password. I'll just go with Alex again. Ok.

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Just for a test

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enter and ok,

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user registration was successful

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and we have our users dot TXT file in here

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and if I open it up, awesome. You can see it says Alex. Alex. So fantastic.

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We can see right now that it's actually working so far. So good.

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Join me in the next lesson where we will now create

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the function that will allow our users to log in.