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Abhishek Anand Amralkar
Abhishek Anand Amralkar

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Collection Functions


concat functions take 2 lists as a input and returns a new list


## element

`element` function in TF is selects single element from a list. 

element(concat(aws_vpc.generic.*.id, [""]), 0)

In above code, we have used `concat` and `element` both with using `element` we are just selecting the value at the 0th index in the list.

## flatten

`flatten` function in 

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