16.
下面程序段的输出结果正确的是?( )
def power():
x ='python'
y = 'world'z = x + " " + y
return z
print(power())
A.z
B.x + " " + y
C.python world
D.python" "world
16.
下面程序段的输出结果正确的是?( )
def power():
x ='python'
y = 'world'z = x + " " + y
return z
print(power())
A.z
B.x + " " + y
C.python world
D.python" "world
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