sudo apt-get install gcc; wget  https://github.com/Aldejan/cc50_c_library/raw/main/cc50_c_library.zip; sudo apt install zip; unzip cc50_c_library.zip; rm -f cc50_c_library.zip; gcc -c -ggdb -std=c99 cc50.c -o cc50.o; ar rcs libcc50.a cc50.o; chmod 0644 cc50.h libcc50.a; sudo mkdir -p /usr/local/include; sudo chmod 0755 /usr/local/include; sudo mv cc50.h /usr/local/include; sudo mkdir -p /usr/local/lib; sudo chmod 0755 /usr/local/lib; sudo mv libcc50.a /usr/local/lib; cd .. ; rm -rf cc50_c_library.zip