added sample function to get_analysis_articles.py
added sample function to get_analysis_articles.py

tschmorleiz/amcat,tschmorleiz/amcat,tschmorleiz/amcat,amcat/amcat,tschmorleiz/amcat,amcat/amcat,tschmorleiz/amcat,amcat/amcat,amcat/amcat,amcat/amcat,amcat/amcat