Finalised python and tested.

python/README.md

@@ -26,7 +26,8 @@ https://www.sri.inf.ethz.ch/py150
 
 ## RAM requirements
 
-The current way of processing DBLP dataset requires **??GB** of RAM memory.
+The current way of processing DBLP dataset requires **10GB** of RAM memory for
+sorting the dataset.
 
 ## Steps
 
@@ -37,4 +38,4 @@ Execute the following to download and prepare the dataset.
 
 ## Estimated time
 
-On an Intel Xeon 2.40GHz CPU, it takes around **??min**.
\ No newline at end of file
+On an Intel Xeon 2.40GHz CPU, it takes around **15min**.
\ No newline at end of file

python/download_prepare.sh

@@ -35,3 +35,8 @@ python3 parse_json.py --inputfile python50k_eval.json >> python.bracket
 
 # Sort the trees by size.
 ./../utilities/sort_dataset.sh python.bracket > python_sorted.bracket
+
+# Tidy up.
+rm py150.tar.gz
+rm python.bracket
+rm *.json