这个计算器为什么运行不出来

Question

def OnKeyTyped(self, event):    #直接键盘输入
    self.calculation = event.GetString()
'''
定义每一个按钮的操作
'''
def one(self, event):
    self.calculation = self.calculation + "1"
    self.inputField.SetValue(self.calculation)

def two(self, event):
    self.calculation = self.calculation + "2"
    self.inputField.SetValue(self.calculation)

def three(self, event):
    self.calculation = self.calculation + "3"
    self.inputField.SetValue(self.calculation)

def four(self, event):
    self.calculation = self.calculation + "4"
    self.inputField.SetValue(self.calculation)

def five(self, event):
    self.calculation = self.calculation + "5"
    self.inputField.SetValue(self.calculation)

def six(self, event):
    self.calculation = self.calculation + "6"
    self.inputField.SetValue(self.calculation)

def seven(self, event):
    self.calculation = self.calculation + "7"
    self.inputField.SetValue(self.calculation)

def eight(self, event):
    self.calculation = self.calculation + "8"
    self.inputField.SetValue(self.calculation)

def nine(self, event):
    self.calculation = self.calculation + "9"
    self.inputField.SetValue(self.calculation)

def zero(self, event):
    self.calculation = self.calculation + "0"
    self.inputField.SetValue(self.calculation)

def clear(self, event):
    self.calculation = ""
    self.inputField.SetValue(self.calculation)

def plus(self, event):
    self.calculation = self.calculation + "+"
    self.inputField.SetValue(self.calculation)

def minus(self, event):
    self.calculation = self.calculation + "-"
    self.inputField.SetValue(self.calculation)

def multiply(self, event):
    self.calculation = self.calculation + "*"
    self.inputField.SetValue(self.calculation)

def divide(self, event):
    self.calculation = self.calculation + "/"
    self.inputField.SetValue(self.calculation)

def point(self, event):
    self.calculation = self.calculation + "."
    self.inputField.SetValue(self.calculation)

def left(self, event):
    self.calculation = self.calculation + "("
    self.inputField.SetValue(self.calculation)

def right(self, event):
    self.calculation = self.calculation + ")"
    self.inputField.SetValue(self.calculation)

def backspace(self,event):
    self.calculation = self.calculation[0:-1:1]
    self.inputField.SetValue(self.calculation)

def equal(self, event):
    try:
        result = eval(self.calculation)    #计算式求值
        self.inputField.Insert(self.calculation, 0)    #将历史记录加入下拉框
        self.inputField.SetValue(str(result))    #输出框值为结果
    except Exception as e:
        self.inputField.SetValue('Input Illegal')
        print(e)
        return
    finally:
        self.calcuation = ""

if name == 'main':
app = wx.App()
frame = Calculator(parent=None, id=-1)
frame.Show()
app.MainLoop()

Answer 1

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