anchor.diff:  RUN export DISPLAY=:99
   RUN exec "$@"
   
  +#=======================
  +# Update Python Version
  +#=======================
  +RUN apt-get update -y
  +RUN apt-get -qy --no-install-recommends install python3.8
  +RUN rm /usr/bin/python3
  +RUN ln -s python3.8 /usr/bin/python3
  +
  +#=============================================
  +# Allow Special Characters in Python Programs
  +#=============================================
  +RUN export PYTHONIOENCODING=utf8
  +RUN echo "export PYTHONIOENCODING=utf8" >> ~/.bashrc
  +
   #=====================
   # Set up SeleniumBase
   #=====================
  
positive.code:     apt-get -yqq install google-chrome-stable && \
      rm -rf /var/lib/apt/lists/*
  
  #==================
  # Configure Chrome
  #==================
  RUN dpkg-divert --add --rename --divert /opt/google/chrome/google-chrome.real /opt/google/chrome/google-chrome && \
      echo "#!/bin/bash\nexec /opt/google/chrome/google-chrome.real --disable-setuid-sandbox --no-sandbox \"\$@\"" > /opt/google/chrome/google-chrome && \
      chmod 755 /opt/google/chrome/google-chrome
  
  #=================
  # Install Firefox
  #=================
  
negative.code: #=======================================
  # Install Python and Basic Python Tools
  #=======================================
  RUN apt-get -o Acquire::Check-Valid-Until=false -o Acquire::Check-Date=false update
  RUN apt-get install -y python3 python3-pip python3-setuptools python3-dev python-distribute
  RUN alias python=python3
  RUN echo "alias python=python3" >> ~/.bashrc
  
  #=================================
  # Install Bash Command Line Tools
  