Found a method to fetch

This is my implementation that is downloading and creating the files with all the information from a specific year. This method is a way to work.

.gitignore

@@ -5,3 +5,35 @@ data/gene_name_info/query_snps.txt
 data/gene_name_info/query_symbol.txt
 results/baseline_doc/pubmed.zinc.0.15.txt
 results/baseline_doc/pubmed.zinc.1.15.txt
+code/step_1_data_collection_Luis.py
+results/baseline_doc/pubmed.zinc.0.full.txt
+results/baseline_doc/pubmed.zinc.2.15.txt
+results/baseline_doc/zinc AND 1990\[Date\].1990.txt
+results/baseline_doc/zinc AND 1991\[Date\].1991.txt
+results/baseline_doc/zinc AND 1992\[Date\].1992.txt
+results/baseline_doc/zinc AND 1994\[Date\].1994.txt
+results/baseline_doc/zinc AND 1993\[Date\].1993.txt
+results/baseline_doc/zinc AND 1995\[Date\].1995.txt
+results/baseline_doc/zinc AND 1996\[Date\].1996.txt
+results/baseline_doc/zinc AND 1997\[Date\].1997.txt
+results/baseline_doc/zinc AND 1998\[Date\].1998.txt
+results/baseline_doc/zinc AND 1999\[Date\].1999.txt
+results/baseline_doc/zinc AND 2000\[Date\].2000.txt
+results/baseline_doc/zinc AND 2001\[Date\].2001.txt
+results/baseline_doc/zinc AND 2002\[Date\].2002.txt
+results/baseline_doc/zinc AND 2003\[Date\].2003.txt
+results/baseline_doc/zinc AND 2004\[Date\].2004.txt
+results/baseline_doc/zinc AND 2005\[Date\].2005.txt
+results/baseline_doc/zinc AND 2006\[Date\].2006.txt
+results/baseline_doc/zinc AND 2007\[Date\].2007.txt
+results/baseline_doc/zinc AND 2009\[Date\].2009.txt
+results/baseline_doc/zinc AND 2008\[Date\].2008.txt
+results/baseline_doc/zinc AND 2010\[Date\].2010.txt
+results/baseline_doc/zinc AND 2011\[Date\].2011.txt
+results/baseline_doc/pubmed.zinc.0.full.txt
+results/baseline_doc/pubmed.zinc.2.15.txt
+results/baseline_doc/zinc AND 2012\[Date\].2012.txt
+results/baseline_doc/pubmed.zinc.0.full.txt
+results/baseline_doc/pubmed.zinc.2.15.txt
+results/baseline_doc/zinc AND 2013\[Date\].2013.txt
+/results