An integer or tuple/list of a single integer,
representing the size of the pooling window.
strides
An integer or tuple/list of a single integer, specifying the
strides of the pooling operation.
padding
A string. The padding method, either 'valid' or 'same'.
Case-insensitive.
data_format
A string, one of channels_last (default) or channels_first.
The ordering of the dimensions in the inputs.
channels_last corresponds to inputs with shape
(batch, length, channels) while channels_first corresponds to
inputs with shape (batch, channels, length).