i = 1
def func():
print( i + 1)
func() # 2
用global声明后,可以给i重新赋值。
i = 1
def func():
global i
i = i + 1
print(i)
func() # 2
i = 1
def func():
print( i + 1)
func() # 2
i = 1
def func():
global i
i = i + 1
print(i)
func() # 2
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