本文实例讲述了Python本地与全局命名空间用法。分享给大家供大家参考。具体如下：
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x = 1
def fun(a):
b=3
x=4
def sub(c):
d=b
global x
x = 7
print ("Nested Function\n=================")
print locals()
sub(5)
print ("\nFunction\n=================")
print locals()
print locals()["x"]
print globals()["x"]
print ("\nGlobals\n=================")
print globals()
fun(2)
///scope.py
Globals
=================
{'x': 1,
'__file__':
'C:\\books\\python\\CH1\\code\\scope.py',
'fun': <function fun at 0x008D7570>,
't': <class '__main__.t'>,
'time': <module 'time' (built-in)>,. . .}
Nested Function
=================
{'c': 5, 'b': 3, 'd': 3}
Function
=================
{'a': 2, 'x': 4, 'b': 3, 'sub':
<function sub at 0x008D75F0>}
4
7
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希望本文所述对大家的Python程序设计有所帮助。