Question: 
Write a python function to count number of vowels in the string.


Model's Code:
def Check_Vow(string, vowels):
    return sum(1 for char in string if char in vowels)



Sample Correct Code:
def Check_Vow(string, vowels): 
    final = [each for each in string if each in vowels] 
    return(len(final)) 



Asserts:
assert Check_Vow('corner','AaEeIiOoUu') == 2
assert Check_Vow('valid','AaEeIiOoUu') == 2
assert Check_Vow('true','AaEeIiOoUu') ==2


Tests:
Test 1 of 3: PASS
Test 2 of 3: PASS
Test 3 of 3: PASS

Test 667 of 974: 500/667 (74.96251874062968%): success