Prints out a value of none instead of duck_index


animals = ["aardvark", "badger", "duck", "emu", "fennec fox"]
duck_index = animals.index("duck")  # Use index() to find "duck"

# Your code here!
duck_index = animals.insert(duck_index, "cobra")

print animals # Observe what prints after the insert operation

This code keeps printing out a value of none instead of duck_index. What is missing?
I got it it was animal.index(2, "cobra"). No assistance is needed on this task. I do not wish to waist any ones time.


it prints out the list, i ran your code here, and everything is fine?


@leuno, try refreshing the page. I've had this issue a couple of times before and refreshing the page helps.


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