def capitalize(s):
     s.title()
     s[len(s) - 1].upper()
     return s

def capitalize(s):
     s, result = s.title(), ""
     for word in s.split():
        result += word[:-1] + word[-1].upper() + " "
     return result[:-1]     #To remove the last trailing space.

print capitalize("i like cats")

I LikE CatS

capEnds = lambda s: (s[:1].upper() + s[1:-1] + s[-1:].upper())[:len(s)]

' '.join(map(capEnds, 'I like cats'.split(' ')))
'I LikE CatS'

def upup(s):
    if len(s) < 2:
        return s.upper()
    return ''.join((s[0:-1].title(),s[-1].upper())))

' '.join(upup(s) for s in 'i like cats'.split())
Out[7]: 'I LikE CatS'

def cap_both(phrase):
    return ' '.join(map(lambda s: s[:-1]+s[-1].upper(), phrase.title().split()))

>>> cap_both('i like cats')
'I LikE CatS'
>>> cap_both('a')
'A'

>>> words= words.split()

>>> words = [capitalize(x) for x in words]

>>> words = " ".join(words)

def capitalize(word):
    return word[0].capitalize() + word[1:-1] + word[-1].capitalize()

string = 'this is a test string'

def Capitalize(st):
    for word in st.split():
        newstring = ''
        if len(word) > 1:
            word = word[0].upper() + word[1:-1] + word[-1].upper()
        else:
            word = word[0].upper()
        newstring += word
        print(word)

Capitalize(st)