摘要：（b）代码如下，另外一种做法，逆序查找：def rfindchr(string, char): a = string index = -1 k = len(a) for i in a[::-1]: k = k - 1 if i == char: index = k print index break if index == -1: print 'index = ', index a = raw_input('Please input a string ... ')b = raw_input('Please input a character to be 阅读全文

摘要：6-11.转换。（a）创建一个从整型到IP地址的转换，如下格式：www.xxx.yyy.zzz。（b）更新你的程序，使之可以逆转换。【答案】（a）代码如下：Input_number = abs(int(raw_input('Please input a number ...')))x3 = x2 = x1 = x0 = 0x3 = Input_number / (256 ** 3)if x3 > 255: tmp = x3 x3 = 255else: tmp = x3x2 = (Input_number - 256 ** 3 * tmp) / (256 ** 2)x1 = 阅读全文

摘要：【推荐】下面是我搜到的IDE风格，用于Eclipse +　PyDEVhttp://pydev.blogspot.com/2009/07/creating-dark-theme-and-exporting-and.htmlhttp://stackoverflow.com/questions/1685079/color-themes-for-eclipse-python-development http://marketplace.eclipse.org/content/eclipse-color-themehttp://www.hanselman.com/blog/VisualStudioPro 阅读全文