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新课程知识的引入：python作用域
#python中无块级别作用域
if 1 == 1 :
name = ‘alex‘
print(name)
for i in range(10):
name = i
print(name)
#python中以函数为作用域
def func():
name = ‘alex‘
print(name)
#程序执行结果
# Traceback (most recent call last):
# File "D:/PythonS13/Day10/С????1_python??????.py", line 22, in <module>
# print(name)
# NameError: name ‘name‘ is not defined
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原文地址：http://www.cnblogs.com/yamei/p/5657255.html
