text: givenString = str.lower(input("Enter a string:"))
  vowels = ['a', 'e', 'i', 'o', 'u']
  vowelcount = 0
  i = 0
  while i < len(givenString):
      if givenString[i] in vowels:
          vowelcount +=1
      i += 1
  
  
  print("The given string has ", str(vowelcount), " vowels")
  