Изменить регистр символов в строке так, чтобы первая буква каждого слова была заглавной, а остальные буквы - строчные

>>> def capitalize(line):
...     return ' '.join([s.capitalize() for s in line.split()])
... 
>>> text = 'In a hole in the ground there lived a hobbit.'
>>> print(capitalize(text))
In A Hole In The Ground There Lived A Hobbit.

def Capitalize(S):
   return S.title()
S = input()
print (Capitalize(S))

import re
 
s = 'a-aaa-aaaa zzz ccc, ,zzzxz,'
print(re.sub(r'\w+', lambda x: x.group().title(), s))

import re
 
s = 'a-aaa-aaaa zzz ccc, ,zzzxz,'
print(re.sub(r'\w+', lambda x: x.group().title(), s))

def capitalize(s):
  return ' '.join([s.capitalize() for s in s.split()])
s=input()
print(capitalize(s))

def capitalize(s):
  ...
s=input()
print(capitalize(s))

import re
 
s = 'a-aaa-aaaa zzz ccc, ,zzzxz,'
print(re.sub(r'\w+', lambda x: x.group().title(), s))

def capitalize(s):
    return re.sub(r'\w+', lambda x: x.group().title(), s)

def capitalize(s):
  return re.sub(r'\w+', lambda x: x.group().title(), s)
s=input()
print (capitalize(s))

s = 'a-aaa-aaaa zzz ccc, ,zzzxz,'
print(re.sub(r'\w+', lambda x: x.group().title(), s))

if c.isdigit():
if c.isupper():
if c.islower():
if c.isalpha():

c=input()
c=chr(ord(c)+32)
print(c)

print (c.upper())
print (c.lower())

def Capitalize(S):
    c=''
    for i in range(0,len(S)):
        if S[i].isupper() and S[i-1].isalpha()==True and i!=0:
            c+=S[i].lower()
        elif S[i].islower() and S[i-1].isalpha()==False or i==0:
            c+=S[i].upper()
        else:
            c+=S[i]
    return c
S = input()
print(Capitalize(S))