C:\Users\Administrator>python
Python 3.7.0 (default, Jun 28 2018, 08:04:48) [MSC v.1912 64 bit (AMD64)] :: Ana
conda, Inc. on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> str="a,b,c"
>>> str.split(',')
['a', 'b', 'c']
>>>