why the following 2 prg give different results? a.py is ok, but b.py
is 'undefiend a'
I am using Python 2.5.1 (r251:54863, Apr 18 2007, 08:51:08) [MSC
v.1310 32 bit (Intel)] on win32
#a.py
def run():
if 1==2: # note, it always False
global a
a=1
run()
a
#b.py
def run():
a=1
run()
a
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