Python-Core-50-Courses
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python-core-50,第20课发现错误
def calc(*args, **kwargs): result = 0 for arg in args: result += arg for value in kwargs.values(): result += value ### return total
最后应该是return result
函数使用进阶,高阶函数,发现代码位置错误 import operator
print(calc(init_value=0, op=operator.add, 1, 2, 3, x=4, y=5)) # 15 print(calc(init_value=1, op=operator.mul, 1, 2, x=3, y=4, z=5)) # 120
位置参数应该写在关键字参数前面,正确代码为: print(calc(1, 2, 3, init_value=0, op=operator.add, x=4, y=5)) 或者 print(calc(1, 2, x=3, y=4, z=5, init_value=1, op=operator.mul))
i also find out this mistake,please change it