@author jackzhenguo @desc @date 2019/5/7
用逗号连接字符串
In [4]: mystr = ['1','2','java','4','python','java','7','8','java','python','11','java','13','14'] In [5]: ','.join(mystr) #用逗号连接字符串 Out[5]: '1,2,java,4,python,java,7,8,java,python,11,java,13,14'