Use doc-comment for advanced_statistics.py script

scripts/plot_benchmark_results.py

@@ -1,18 +1,18 @@
 #!/usr/bin/python
-#
-# This script `hyperfine` benchmark results as a box and whisker plot.
-#
-# Quoting from the matplotlib documentation:
-#     The box extends from the lower to upper quartile values of the data, with
-#     a line at the median. The whiskers extend from the box to show the range
-#     of the data. Flier points are those past the end of the whiskers.
-#
+
+"""This program shows `hyperfine` benchmark results as a box and whisker plot.
+
+Quoting from the matplotlib documentation:
+    The box extends from the lower to upper quartile values of the data, with
+    a line at the median. The whiskers extend from the box to show the range
+    of the data. Flier points are those past the end of the whiskers.
+"""
 
 import argparse
 import json
 import matplotlib.pyplot as plt
 
-parser = argparse.ArgumentParser()
+parser = argparse.ArgumentParser(description=__doc__)
 parser.add_argument("file", help="JSON file with benchmark results")
 args = parser.parse_args()