PyTorch’s Basic Syntax 1. Importing Libraries Essential import: import torch For neural networks: import torch.nn as nn Neural network functional: import torch.nn.functional as F 2. Tensors Basic building block. Creation: torch.Tensor([1., 2.]) or torch.zeros(2,2) Operations: Addition, multiplication, etc. E.g., torch.add(x, y) 3. Autograd For automatic differentiation. Requires gradient: x = torch.tensor([1., 2.], requires_grad=True)