用例外标识字符串

>>> 'There     is a way'.title()
'There     Is A Way'

import re 
def title_except(s, exceptions):
    word_list = re.split(' ', s)       # re.split behaves as expected
    final = [word_list[0].capitalize()]
    for word in word_list[1:]:
        final.append(word if word in exceptions else word.capitalize())
    return " ".join(final)

articles = ['a', 'an', 'of', 'the', 'is']
print title_except('there is a    way', articles)
# There is a    Way
print title_except('a whim   of an elephant', articles)
# A Whim   of an Elephant

>>> from titlecase import titlecase
>>> titlecase('i am a foobar bazbar')
'I Am a Foobar Bazbar'

>>> mytext = u'i am a foobar bazbar'
>>> print mytext.capitalize()
I am a foobar bazbar
>>> print mytext.title()
I Am A Foobar Bazbar

capitalize (word)

>>> mytext = u'i am a foobar bazbar'
>>> mytext.capitalize()
u'I am a foobar bazbar'
>>>

def xcaptilize(word):
    skipList = ['a', 'an', 'the', 'am']
    if word not in skipList:
        return word.capitalize()
    return word

k = mytext.split(" ") 
l = map(xcaptilize, k)
print " ".join(l)   

I am a Foobar Bazbar

value.title()

 not_these = ['a','the', 'of']
thestring = 'the secret of a disappointed programmer'
print ' '.join(word
               if word in not_these
               else word.title()
               for word in thestring.capitalize().split(' '))
"""Output:
The Secret of a Disappointed Programmer
"""

reslt = " ".join([word.title() if word not in "the a on in of an" else word for word in "Wow, a python one liner for titles".split(" ")])
print(reslt)

for word in "Wow, a python one liner for titles".split(" ")

word.title() if word not in "the a on in of an" else word

title()

" ".join