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: #=======================================
  # Install Python and Basic Python Tools
  #=======================================
  RUN apt-get update && apt-get install -y python python-pip python-setuptools python-dev python-distribute
  # Above command on Windows
  #RUN apt-get -o Acquire::Check-Valid-Until=false -o Acquire::Check-Date=false update
  #RUN apt-get install -y python python-pip python-setuptools python-dev python-distribute
  
  #=================================
  # Install Bash Command Line Tools
  
negative.code:     apt-get -yqq install google-chrome-stable && \
      rm -rf /var/lib/apt/lists/*
  
  #=================
  # Install Firefox
  #=================
  