18 lines
346 B
Python
18 lines
346 B
Python
class Calculator:
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def __init__(self):
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self.result = 0
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def add(self, number):
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self.result += number
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return self
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def subtract(self, number):
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self.result -= number
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return self
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def reset(self):
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self.result = 0
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return self
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def get_result(self):
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return self.result |