Created
November 29, 2017 20:26
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python calculator
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| class Calculator(object): # define a calculator object | |
| def add(self, x, y): # define addition function | |
| number_types = (int, long, float, complex) # accepted number types | |
| if isinstance(x, number_types) and isinstance(y, number_types): # if both values are accepted number types | |
| return x + y # return the sum of the values | |
| else: | |
| raise ValueError # if one or both values are not accepted number types return a Value Error | |
| def subtract(self, x, y): | |
| number_types = (int, long, float, complex) | |
| if isinstance(x, number_types) and isinstance(y, number_types): | |
| return x - y | |
| else: | |
| raise ValueError | |
| def multiply(self, x, y): | |
| number_types = (int, long, float, complex) | |
| if isinstance(x, number_types) and isinstance(y, number_types): | |
| return x * y | |
| else: | |
| raise ValueError |
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