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Hello World
t ='ggg'
exec('relist.append(%s)' % 't')
relist = ['ggg']
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class MyShell(Cmd):
def preloop(self):
print "print this line before entering the loop"
def postloop(self):
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time_s = time.strptime(time_str,"%Y/%m/%d %H:%M:%S")
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