69 - Python类是否支持多继承，请举例说明

class Calculator:
    def calculator(self, expression):
        self.value = eval(expression)
        return self.value
    
    def printResult(self):
        print('result: {}'.format(self.value))
        
class MyPrint:
    def print(self, msg):
        print('msg: ', msg)
        
    def printResult(self):
        print('结果: {}'.format(self.value))
        
class MyCalculator1(Calculator, MyPrint):
    pass

class MyCalculator2(MyPrint, Calculator):
    pass

my1 = MyCalculator1()
print(my1.calculator('8 + 2 * 6'))
my1.print('hello')

my2 = MyCalculator2()
print(my2.calculator('1 + 1 * 1'))
my1.print('world')

20

msg:  hello

2

msg:  world

my1.printResult()

my2.printResult()

result: 20

结果: 2