diff --git a/go/0912-sort-an-array.go b/go/0912-sort-an-array.go
new file mode 100644
index 000000000..74d42e6e7
--- /dev/null
+++ b/go/0912-sort-an-array.go
@@ -0,0 +1,4 @@
+func sortArray(nums []int) []int {
+    sort.Ints(nums)
+    return nums
+}
diff --git a/go/1929-concatenation-of-array.go b/go/1929-concatenation-of-array.go
new file mode 100644
index 000000000..05d29edeb
--- /dev/null
+++ b/go/1929-concatenation-of-array.go
@@ -0,0 +1,11 @@
+func getConcatenation(nums []int) []int {
+  n := len(nums)
+	ans := make([]int, 2*n)	//lets make an array of int type and 2*n size
+	i := 0
+	for i < n {		//implementing for loop for the given condition
+		ans[i] = nums[i]
+		ans[i+n] = nums[i]
+		i++
+	}
+	return ans
+}