Checking whether requires_grad is True or False

Hi all,
How can I check whether rquires_grad of a variable is True or False?. Can I set the requires_grad by x.requires_grad=True? (x is a variable).

Thanks in advance

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You can check with print(x.requires_grad)

You can set it with x.requires_grad_(true): https://pytorch.org/docs/master/tensors.html?highlight=requires_grad#torch.Tensor.requires_grad_

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