Time: 185 ms (5.25%), Space: 13.7 MB (46.34%) - LeetHub

1929-concatenation-of-array/1929-concatenation-of-array.py

@@ -0,0 +1,9 @@
+class Solution(object):
+    def getConcatenation(self, nums):
+        """
+        :type nums: List[int]
+        :rtype: List[int]
+        """
+        ans = nums
+        ans += nums
+        return ans