相关疑难解决方法(0)

如果我想找到数字的数字之和,即:

• 输入: 932
• 输出:14,即(9 + 3 + 2)

这样做的最快方法是什么？

我本能地做了:

sum(int(digit) for digit in str(number))

我在网上找到了这个:

sum(map(int, str(number)))

哪种方法最适合速度,还有其他方法更快吗？

我已经定义了如下函数来尝试在两组数据之间进行插值.当我运行它时,我收到消息:

    for i, j in range(0, len(wavelength)):
TypeError: 'int' object is not iterable

我不确定我做错了什么.不可否认,我对此并不擅长.

def accountforfilter(wavelength, flux, filterwavelength, throughput):
    filteredwavelength=[]
    filteredflux=[]

    for i in range(0, len(wavelength)):
        if wavelength[i] in filterwavelength[j]:
            j=filterwavelength.index(wavelength[i])
            filteredwavelength.append(wavelength[i])
            filteredflux.append(flux[i]*throughput[j])

        elif wavelength[i]<filterwavelength[j]<wavelength[i+1]:
            m=((throughput[j+1]-throughput[j])/(filterwavelength[j+1]-filterwavelength[j])
            c=throughput[j]-(m*(wavelength[i]))
            filteredwavelength.append(wavelength[i])
            filteredflux.append(flux[i]*(m*wavelength[i]+c)

    return filteredwavelength, filteredflux