Why is this index out of range?

Question

I’ve been trying to solve the Pig Latin puzzle in Python. For the life of me I can not figure out how I keep getting an index out of range error Inside my while loop. Can someone please explain?
nonpig = str(input(""))
pig = []
first = ""
nono = [nonpig.split()]
i = 0
while i <= len(nonpig):
first = nono[0][i][0]
pig += (nono[0][i][:2] + first + 'ay')
i += 1
print (pig)

Answer 1

https://www.sololearn.com/post/75089/?ref=app

Answer 2

Instead of i<=len(nonpig)
Put i<len(nonpig) and try...
But follow above @Oma's advise to get better answers..