Count Parameter

 provider "aws" {

  region     = "us-east-1"

  access_key = "AKQ"

  secret_key = "KfdfVkt1aurid"

}

variable "instancetags" {

  type    = list

  default = ["root", "user1", "user2"]

}

variable "instancetype" {

  type    = list

  default = ["t2.nano", "t2.micro", "t2.medium"]

}

resource "aws_instance" "cloud-instan" {

  ami           = "ami-02e136e904f3da870"

  instance_type = var.instancetype[count.index]

  count         = 3

  tags          = {

    Name        = var.instancetags[count.index]