How to understand: twice call the function last_add(), but the id of the parameter is same.
def last_add(_list = []):
_list.append('END')
print(id(_list))
last_add()
last_add()
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anthony sottile
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Tony
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default parameters are stored in the function object itself – anthony sottile Sep 06 '17 at 06:30
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@Anthony Sottile Thank you! – Tony Sep 06 '17 at 06:35