def reverse_vowels(str1):
	
	vowels = ""
	for char in str1:
		if char in "aeiouAEIOU":
			vowels += char
	result_string = ""
	for char in str1:
		if char in "aeiouAEIOU":
			result_string += vowels[-1]
			vowels = vowels[:-1]
		else:
			result_string += char
	return result_string
def reverse_vowels(str1):
    vowels = ""
    for SbH2 in str1:
        if SbH2 in "aeiouAEIOU":
            vowels += SbH2
    result_string = ""
   
    for SbH2 in str1:
        if SbH2 in "aeiouAEIOU":
            result_string += vowels[-1]
            vowels = vowels[:-1]
        else:
            result_string += SbH2
    return result_string