Reverse each word in a string

def reversed_words(sequence):
    return ' '.join(word[::-1] for word in sequence.split())

>>> s = "The dog ran"
>>> reversed_words(s)
... 'ehT god nar'

You are on the right track. The main issue is that "" is an empty string, not a space (and even if you fix this, you probably don't want a space after the final word).

Here is how you can do this more concisely:

>>> s='The dog ran'
>>> ' '.join(w[::-1] for w in s.split())
'ehT god nar'