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In this, we are going to equate the other helper functions last time we already Quada at Yuzu and this

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we are going to every day we move yuzu and what we will pass to remove USA is the SO can ID

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and Coniston are going to check whether the user exists.

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So we use to use it to fight, indebt and user and we check the user ID use triple AECO, the socket

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ID that we passed into these functions.

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So aive index is equal to negative one, which means there is a user here, then maybe a return.

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The U.S. is.

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Stocks rise to this index and we just take this object, so we use this square brackets zero.

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And if we put some meat eaters in on our JavaScript Aditya's.

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And we copy these functions.

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To hear and we are going to demonstrate what inside these functions, so first we are going to call

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it.

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So, for example, we want to delete this user.

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So we copy these ID.

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And we passed these two functions.

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And then we consult on a lot of user and you will see we turn the user that you want to delete.

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And if we.

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And had to use a list of cities, other leaders will remove the Tom.