怎么去除逗号啊

# coding:utf-8


import re

num = '131,0000,0001 131,0000,0002 131,0000,0003 131,0000,0004 131,0000,0005'
def test1(data):
    re_g = re.compile('[0-9]')
    result = re_g.findall(data)
    return result



if __name__ == '__main__':
    result = test1(num)
    print(result)