请问,这样怎么不行?
def firstCharUpper(s):
s[0]=s[0].upper()
return s
print firstCharUpper('hello')
print firstCharUpper('sunday')
print firstCharUpper('september')def firstCharUpper(s):
s[0]=s[0].upper()
return s
print firstCharUpper('hello')
print firstCharUpper('sunday')
print firstCharUpper('september')2015-09-05
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