Longest word of a given String in Python

def longest_word(str):

words = str.split()

max_len = len(max(words, key=len))

return [word for word in words if len(word) == max_len]

print(longest_word("I have an interview Scheduled today in Bangalore"))

['interview', 'Scheduled', 'Bangalore']

print(longest_word("Do you want me to do something?"))

['something?']