Merge pull request #66 from kuingsamlee/master

fixed count_vowels function return value error.

snippets/count_vowels.md

@@ -7,12 +7,9 @@ Use a regular expression to count the number of vowels `(A, E, I, O, U)` in a st
 ```python
 import re
 
+def count_vowels(str):
+    return len(re.findall(r'[aeiou]', str, re.IGNORECASE))
 
-def count_vowels (str):
-    return len (re.findall (r '[aeiou]', str, re.IGNORECASE))
-`` `
-
-`` `python
-print(count_vowels('foobar')) # 3
-print(count_vowels('gym'))# 0
+count_vowels('foobar') # 3
+count_vowels('gym')# 0
 ```