def conv1x1(in_channels,<EOL>out_channels,<EOL>stride):
return nn.Conv2d(<EOL>in_channels=in_channels,<EOL>out_channels=out_channels,<EOL>kernel_size=<NUM_LIT:1>,<EOL>stride=stride,<EOL>padding=<NUM_LIT:0>,<EOL>bias=False)<EOL>
Convolution 1x1 layer.

Parameters:
----------
in_channels : int
    Number of input channels.
out_channels : int
    Number of output channels.
stride : int or tuple/list of 2 int
    Strides of the convolution.