Pyqt :If 8+0-5*7/3 is the text entered in the Line Edit widget ,how can we co

Pyqt :If 8+0-5*7/3 is the text entered in the Line Edit widget ,how can we co
Pyqt :If 8+0-5*7/3 is the text entered in the Line Edit widget ,how can we convert it to integer data type ?

[解决办法]
你是想根据 8+0-5*7/3 这个字符串进行计算结果么？
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Assembly code

C:\Users\ago>pythonPython 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)] on win32Type "help", "copyright", "credits" or "license" for more information.>>>>>> print eval('8+0-5*7/3')-3>>>