# Example 3
ip_tensor_1=torch.tensor([[1,2,3],[4,5,6]])
ip_tensor_2=torch.tensor([[7,8,9,10],[11,12,13,14]])

torch.cat((ip_tensor_1,ip_tensor_2),dim=0)

# Output
---------------------------------------------------------------------------
RuntimeError                              Traceback (most recent call last)
<ipython-input-23-cb649a6e60ac> in <module>()
      3 ip_tensor_2=torch.tensor([[7,8,9,10],[11,12,13,14]])
      4 
----> 5 torch.cat((ip_tensor_1,ip_tensor_2),dim=0)

RuntimeError: Sizes of tensors must match except in dimension 0. Got 3 and 4 in dimension 1 
(The offending index is 1)