reverse_letters.py

defreverse_letters(sentence: str, length: int=0) ->str:
"""
 Reverse all words that are longer than the given length of characters in a sentence.
 If unspecified, length is taken as 0

 >>> reverse_letters("Hey wollef sroirraw", 3)
 'Hey fellow warriors'
 >>> reverse_letters("nohtyP is nohtyP", 2)
 'Python is Python'
 >>> reverse_letters("1 12 123 1234 54321 654321", 0)
 '1 21 321 4321 12345 123456'
 >>> reverse_letters("racecar")
 'racecar'
 """
return" ".join(
"".join(word[::-1]) iflen(word) >lengthelsewordforwordinsentence.split()
 )


if__name__=="__main__":
importdoctest

doctest.testmod()
print(reverse_letters("Hey wollef sroirraw"))