I have a dataframes that are in jumbled order how can I rearrange the columns if they exits. One Two Three Six Four Five 1 2 3 6 4 5 1 2 3 6 4 5 ... How can I arrange this columns in order? The issue here is that all six column might not be there in all occasions. So I need a simple line that can arrange it in order of One Two Three Four Five Six if that column exits. I mean if Two is not in df then it should be One Three Four Five Six Continue reading...