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PythonÈëÃŵÄ36¸öÀý×Ó——17 Return

# 017
def lifeIsAMirror():
string = raw_input()
if string == 'I love you!':
return 'I love you, too!'
elif string == 'Fuck you!':
return ''
else:
return
# end of def
string = lifeIsAMirror()
if len(string) == 0:
print 'You have nothing.'
else:
print string
# end of if

output:
1
2
3
4
5
6
>>>
Fuck you!
You have nothing.
>>>
I love you!
I love you, too!


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