if msg in hello:
self.calculator({
'plus': self.plus,
'minus': self.minus,
'multi': self.milti,
'dele': self.dele,
'result': self.label_result,
'number_one': self.textEdit,
'number_two': self.block_two_num,
})
self.calculator = Calculator({
'plus': self.plus,
'minus': self.minus,
'multi': self.milti,
'dele': self.dele,
'result': self.label_result,
'number_one': self.textEdit,
'number_two': self.block_two_num,
})