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def remove_duplicates(sentence: str) -> str:

"""

Remove duplicates from sentence

>>> remove_duplicates("Python is great and Java is also great")

'Java Python also and great is'

>>> remove_duplicates("Python is great and Java is also great")

'Java Python also and great is'

"""

return " ".join(sorted(set(sentence.split())))

if __name__ == "__main__":

import doctest

doctest.testmod()