added some comments

Author: Matt Morrison

tests/test_unicode.py

@@ -1,17 +1,22 @@
+# script to generate variable-length random "words" consisting of Unicode codepoints.
+# 
 from ast import literal_eval
 from datetime import datetime as dt
 import random
 
+# TODO: use argparse to pass word number and length via command line
+
 with open("ID_Start.txt") as start, open("ID_Continue.txt") as cont:
     starters = [word.strip() for word in start.readlines()]
     continuers = [word.strip() for word in cont.readlines()]
 
 allchars = starters + continuers
-word_num = 50
+word_num = 50 # how many words to write to test file
 timestamp = dt.now().strftime("%Y.%m.%d.%H.%M.%S")
 with open("output." + timestamp + ".py", "w") as output:
     for i in range(word_num):
-        length = random.randint(1, 10)
+        length = random.randint(1, 10)  # length of word, between 1 and 10
+                                        # make 10 a variable?
         word = literal_eval(random.choice(starters))
         for j in range(length):
             if len(word) == j: