keras/src/layers/reshaping/zero_padding2d.py/ZeroPadding2D/call
class ZeroPadding2D:    def call(self, inputs):
        if self.data_format == "channels_first":
            all_dims_padding = ((0, 0), (0, 0), *self.padding)
        else:
            all_dims_padding = ((0, 0), *self.padding, (0, 0))
        return ops.pad(inputs, all_dims_padding)