dacfdesfc
https://colab.research.google.com/drive/1cFaflWXkHYhQkS5DrGELtPZ4qofkGpoc
https://colab.research.google.com/drive/16XnPUuvqeIQdV_BMco-08tFWnsCRO1P9
https://colab.research.google.com/drive/19kkIkvREgTo8aqAUvwkWCfUT2PcJ177T
https://colab.research.google.com/drive/1BVrezgjy92wUJavJCBLzVWj6KF4sOn6J
https://colab.research.google.com/drive/1SxRfBjVIKuUTnzAeM63PnF5FVR8CB--K
https://paiza.io/projects/xR0P1hcn92_slCJ5szFXTg