vowels=['a','e','i','o','u']
word=input("Enter the word to search for vowels: ")   #Hello Mr
found=[]
for letter in word:
    if letter in vowels:
        if letter not in found:
            found.append(letter)
print(found)   #['e', 'o']
print("The number of different vowels present in",word,"is",len(found))
#The number of different vowels present in Hello Mr is 2
