INPUT
>>> data
OrderID TimeStamp ErrorCode Duration ResponseType \
0 3000000 1488948188555841641 NaN IOC NaN
1 3000000 1488948188556444675 0 NaN NEW_ORDER_CONFIRM
2 3000000 1488948188556448153 2 NaN TRADE_CONFIRM
预计输出
>>> data
OrderID TimeStamp1 TimeStamp2 ErrorCode Duration ResponseType
2 3000000 1488948188555841641 1488948188556448153 0 IOC TRADE_CONFIRM
基本上我想根据OrderID折叠2行，但是Errorcode只需要从NEW_ORDER_CONFIRM获取。
更大的问题意图是Use particular column value as key to search in pandas dataframe