Python 字符串切割函数设计

s="   fs.fes..23...43....tghf    "print "要切割的字符串为：",s ,"\n"s = s.strip()  #去掉字符串左右两边空格print "输出去掉空格的字符串：",s,"\n"# sep 为切割字符串的符号sep = '.'   def my_split(src, sep):  #自定义my_split()函数    a = s.find(sep)   #find返回查找字符开始的索引    w1 = s[:a]    print(w1)    b = a    n = len(sep)    while b <= len(s) and b != -1:        while s[a:a + n] == sep:            a = a + n        b = s.find(sep, a)  #从a开始查找sep        if b != -1:            print(s[a:b])        else:            print(s[a:])        a = bprint '调用 my_split函数,提取切割出的字符串：\n'my_split(s, sep)