Pig latin

Pig Latin.py

#author Duong Tien Hau
#function: Pig Latin is a game of alterations played on the English language game.
#To create the Pig Latin form of an English word the initial consonant sound is 
#transposed to the end of the word and an ay is affixed
def main():
	string=input("Enter a word:")
	print(pigLatin(string))
def pigLatin(string):
	pigstring=''
	vowels='aeiou'
	if string[0] in vowels:
		pigstring=string+"yay"
	else:
		index=0
		while string[index] not in vowels:
			index+=1
		pigstring=string[index:len(string)]+string[0:index]+'ay'
	return pigstring	
if __name__=="__main__":main()	[]