diff --git a/learning-pytorch/tensor_tutorial.py b/learning-pytorch/tensor_tutorial.py
index 2dcf1fe..af403f9 100755
--- a/learning-pytorch/tensor_tutorial.py
+++ b/learning-pytorch/tensor_tutorial.py
@@ -6,8 +6,22 @@ import torch
 # x = torch.empty(5, 3)
 # x = torch.rand(5, 3)
 # x = torch.zeros(5, 3, dtype=torch.long)
-x = torch.tensor([5.5, 3])
-x = x.new_ones(5, 3, dtype=torch.double)
-print(x)
-x = torch.randn_like(x, dtype=torch.float)
-print(x)
+# x = torch.tensor([5.5, 3])
+# x = x.new_ones(5, 3, dtype=torch.double)
+# print(x)
+# x = torch.randn_like(x, dtype=torch.float)
+# print(x.size())
+
+# y = torch.rand(5, 3)
+# print(x+y)
+# print(torch.add(x, y))
+# result = torch.empty(5, 3)
+# torch.add(x, y, out=result)
+# print(result)
+
+# print(x[:, 1])
+
+x = torch.randn(4, 4)
+y = x.view(16)
+z = x.view(-1, 8) # the size -1 is inferred from other dimensions
+print(x.size(), y.size(), z.size())