# python-pytorchHow do I save a PyTorch tensor to a file using Python?

To save a PyTorch tensor to a file using Python, use the following steps:

- Import the necessary libraries:

```
import torch
import numpy as np
```

- Create a tensor object:

`x = torch.tensor([1, 2, 3])`

- Save the tensor to a file:

`torch.save(x, 'x_tensor.pt')`

- Verify that the tensor has been saved correctly by loading it back into memory:

```
x2 = torch.load('x_tensor.pt')
print(x2)
```

## Output example

`tensor([1, 2, 3])`

- Save the tensor as a numpy array:

`np.save('x_tensor.npy', x.numpy())`

- Verify that the numpy array has been saved correctly by loading it back into memory:

```
x3 = np.load('x_tensor.npy')
print(x3)
```

## Output example

`[1 2 3]`

- Finally, you can also save the tensor to a text file:

`torch.save(x, open('x_tensor.txt', 'w'))`

## Helpful links

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