Merge pull request #1591 from Aliwahid17/patch-2

i update that function and make it fast

Author: geekcomputers

Count the Number of Each Vowel

@@ -1,14 +1,9 @@
-
 vowels = 'aeiou'
-
 ip_str = 'Hello, have you tried our tutorial section yet?'
-
-ip_str = ip_str.casefold()
-
-count = {}.fromkeys(vowels,0)
+count = 0
 
 for char in ip_str:
-   if char in count:
-       count[char] += 1
+   if char in vowels:
+       count += 1
 
 print(count)