Python中exec的使用

时间：2021-07-23 22:03:08
>>>globals = {'x':7,

   .....: 'y':10,

   .....: 'names':['aa','bb','cc']

   .....: }

>>>locals = {}

>>>a = eval("3*x+4*y",globals,locals)

>>>print a

61

>>>exec("for i in names:    print i",globals,locals)

aa

bb

cc

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