list in variable

project2/base.tf

@@ -2,6 +2,10 @@ variable "a" {}
 variable "b" {
   default = "test"
 }
+variable "c" {
+  type = list
+  default = ["foo", "bar", "baz"]
+}
 
 output "ov1" {
   value = "${var.a}"
@@ -9,3 +13,6 @@ output "ov1" {
 output "ov2" {
   value = "${var.b}"
 }
+output "ov3" {
+  value = "${var.c[2]}"
+}

project2/terraform.tfstate

@@ -1,15 +1,19 @@
 {
   "version": 4,
   "terraform_version": "0.12.24",
-  "serial": 3,
+  "serial": 8,
   "lineage": "53b98038-185e-af43-6c6c-521354912695",
   "outputs": {
     "ov1": {
-      "value": "qsd",
+      "value": "foobar",
       "type": "string"
     },
     "ov2": {
-      "value": "foo",
+      "value": "bar",
+      "type": "string"
+    },
+    "ov3": {
+      "value": "fgh",
       "type": "string"
     }
   },

project2/terraform.tfstate.backup

@@ -1,15 +1,19 @@
 {
   "version": 4,
   "terraform_version": "0.12.24",
-  "serial": 2,
+  "serial": 7,
   "lineage": "53b98038-185e-af43-6c6c-521354912695",
   "outputs": {
     "ov1": {
-      "value": "aze",
+      "value": "foobar",
       "type": "string"
     },
     "ov2": {
-      "value": "test",
+      "value": "bar",
+      "type": "string"
+    },
+    "ov3": {
+      "value": "baz",
       "type": "string"
     }
   },