class_docstr: Basic conv bn pool layer.
class_docstr_tok: ["Basic","conv","bn","pool","layer","."]
code: def __init__(self, in_channels: int, out_channels: int):
      super().__init__()
      self.conv = nn.Conv2D(
          in_channels,
          out_channels,
          kernel_size=3,
          stride=1,
          padding=1,
          dilation=1,
      )
  
imports: import os
  import paddle
  import paddle.nn
  import paddle.nn.functional
label_desc: Use image node_id 1 to create a new ConvReLUPool object from inherited base classes: nn with example: obj = ConvReLUPool(in_channels, out_channels)