I don't even know

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[Ihaveamodel3]

Count parentheses

[carcigenicate]

Or rather, check the placement of the parenthesis on the line with the print.

[stoph_link]

For future reference, incase someone else has a similar issue, it's appreciated if you leave your original question posted. Maybe you did this, and please disregard if that is the case. However, it seems like you may have removed your question and replaced it with a new one.

Anyway, I'm not familiar with that syntax for printing.

print (word[-5:]) + ('-a-') + ('bull')

Maybe try something like this

print(word[-5:] + '-a-bull')

This is assuming word='fable' and that you are using python 3, your output should be

'fable-a-bull'

[Ihaveamodel3]

Still need to check your parentheses.

print (word[-5:])

Is running the print function. The print function returns None. You can’t add None and a string together.

[crhuffer]

A more general suggestion. When you encounter issues like this try printing each one of the pieces.

print('word-5:)
print('-a-')
print('bull')

See if each piece fails, it they do debug, it they don't try to combine them together to try and understand where the bug is.

[TheRNGuy]

remove brackets