Import question

def city_country(city, country):
    print(f"{city.title()}, {country.title()}")
from city import city_country
print(city_country('santiago', 'chile'))

I am learning import and a strange thing keeps happening. When execute the second block code, the product is

Santiago Chile
Santiago Chile

when the first block of code produces

Santiago Chile

Why is there a None at the end?

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your city_country question doesn’t return anything, yet when you call the function, you print the returned result. Given there isn’t anything returned, you see None (the absence of a return value)