what is numel function in pytorch 3f

1''' PyTorch torch.numel() method returns the total 
2number of elements in the input tensor.'''
3# Importing the PyTorch library  
4import torch  
5    
6# A constant tensor of size n 
7a = torch.randn(4, 6) 
8print(a) 
9  
10# Applying the numel function and  
11# storing the result in 'out' 
12out = torch.numel(a) 
13print(out)
14
15>>>-0.8263  0.9807 -1.4688  0.2117 -0.8356 -0.0228
16-0.8815  1.3652 -0.1892 -1.1241  0.2755  1.3006
17 0.0559  0.2389  0.7944  2.6587 -2.0908  1.2973
18-0.2056  0.4110  0.2163  0.3091  0.5559 -0.2468
19[torch.FloatTensor of size 4x6]
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