5033b5f97e
- Add mymath.py with multiply and divide functions - Add SmartVoyage travel assistant project - Add .gitignore for Python cache files Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
72 lines
1.7 KiB
Python
72 lines
1.7 KiB
Python
def multiply(a, b):
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"""
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计算两个数字的乘积
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Args:
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a: 第一个数字
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b: 第二个数字
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Returns:
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两个数字的乘积
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"""
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return a * b
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def divide(a, b):
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"""
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计算两个数字的商
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Args:
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a: 被除数
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b: 除数
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Returns:
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两个数字的商
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Raises:
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ValueError: 如果除数为零
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"""
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if b == 0:
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raise ValueError("除数不能为零")
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return a / b
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if __name__ == "__main__":
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# 测试乘法函数
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print("测试乘法函数:")
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test_cases_multiply = [
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(2, 3, 6),
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(-2, 3, -6),
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(0, 5, 0),
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(2.5, 4, 10.0),
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(-2.5, -2, 5.0)
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]
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for a, b, expected in test_cases_multiply:
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result = multiply(a, b)
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status = "PASS" if result == expected else "FAIL"
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print(f" {status} multiply({a}, {b}) = {result} (期望: {expected})")
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# 测试除法函数
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print("\n测试除法函数:")
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test_cases_divide = [
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(6, 3, 2),
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(10, 2, 5),
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(-6, 2, -3),
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(5, 2, 2.5),
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(0, 5, 0)
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]
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for a, b, expected in test_cases_divide:
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try:
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result = divide(a, b)
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status = "PASS" if result == expected else "FAIL"
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print(f" {status} divide({a}, {b}) = {result} (期望: {expected})")
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except ValueError as e:
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print(f" FAIL divide({a}, {b}) 出错: {e}")
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# 测试除数为零的情况
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print("\n测试除数为零:")
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try:
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divide(5, 0)
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print(" FAIL divide(5, 0) 应该抛出异常但没有")
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except ValueError as e:
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print(f" PASS divide(5, 0) 正确抛出异常: {e}") |