1.局部变量和全局变量的作用域
x = 1
def func():
x = 2
print x
func()
print x
输出：2
1
x = 1
def func():
x = 2
print x
输出：1
x = 1
def func():
global x
x = 2
print x
func()
print x
输出：2
2
1.局部变量和全局变量的作用域
x = 1
def func():
x = 2
print x
func()
print x
输出：2
1
x = 1
def func():
x = 2
print x
输出：1
x = 1
def func():
global x
x = 2
print x
func()
print x
输出：2
2
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本文标题：Sth about Python 07 ---functions
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