I need a python script for reformatting this data: id,exchange,symbol,date,price,amount,sell 9998428,cb,btcusd,1467849605361,678.79,0.02,false 9998430,cb,btcusd,1467849613758,678.78,0.6352,true 9998429,cb,btcusd,1467849613758,678.78,0.101,true 9998431,cb,btcusd,1467849613759,678.78,0.0208,true 9998432,cb,btcusd,1467849613760,678.77,0.012,true 9998433,cb,btcusd,1467849613761,678.7,0.117,true