HyunSoo Kim

Try the following commands in the beginning of the code # install cuda 10.2 !wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/cuda-ubuntu1804.pin !sudo mv cuda-ubuntu1804.pin /etc/apt/preferences.d/cuda-repository-pin-600 !sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/7fa2af80.pub !sudo add-apt-repository "deb https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/ /"...