Update lab2.md

lab2.md

@@ -82,9 +82,8 @@ def token_and_stem(text):
   for token in tokens:
     if re.search('[а-яА-Я]', token):
       filtered_tokens.append(token)
-    stems = [stemmer.stem(t) for t in
+  stems = [stemmer.stem(t) for t in filtered_tokens]
-filtered_tokens]
+  return stems
-return stems
 
 def token_only(text):
   tokens = [word.lower() for sent in nltk.sent_tokenize(text) for word in nltk.word_tokenize(sent)]