Add utils vector mean function

tools/vector_test.py

@@ -0,0 +1,10 @@
+import torch
+
+def gen_vector_mean_test_result():
+    input = torch.tensor([0.44371, 0.20253, 0.73232, 0.40378, 0.93348, 0.72756, 0.63388, 0.5251, 0.23973, 0.52233])
+    output = torch.mean(input)
+
+    print(output)
+
+if __name__ == "__main__":
+    gen_vector_mean_test_result()