anchor.diff:                         liblapack-dev \
                          libsdl2-dev \
                          libboost-all-dev \
  +                       graphviz \
                          gcc \
                          g++ && \
       ln -s /usr/bin/swig3.0 /usr/bin/swig
  
positive.code:     pip3 install --upgrade sklearn \
                             jupyter \
                             tqdm \
                             gym gym[box2d] gym[atari] \
                             matplotlib \
                             seaborn && \
  
negative.code:     pip install --upgrade sklearn \
                             jupyter \
                             tqdm \
                             graphviz \
                             gym gym[box2d] gym[atari] \
                             matplotlib \
                             seaborn && \
  