python count vowels in string

Description

python program to get a String and count the number of vowels occurred in string.
Input:
Hello
Output:
2

Solution

s=input("Enter a String:")
vowels=0
for i in s:
      if(i=='a' or i=='e' or i=='i' or i=='o' or i=='u' or i=='A' or i=='E' or i=='I' or i=='O' or i=='U'):
            vowels=vowels+1
print(vowels)

Explanation

visit  each location in string s, if the character in the location is a vowel then increment vowels by 1.