21 lines
276 B
Python
21 lines
276 B
Python
#!/usr/bin/env python3
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"""Простой калькулятор"""
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def add(a, b):
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return a + b
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def subtract(a, b):
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return a - b
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def multiply(a, b):
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return a * b
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def divide(a, b):
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if b == 0:
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raise ValueError("division by zero")
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return a / b
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