shifting specific column to before/after specific column in dataframe

[scidam]

You can specify the order of columns as you want, e.g.:

x=pd.DataFrame({'a': [1,2,3], 'b':[3,4,5], 'c':[5,6,7]})
x = x[['b','c','a']]

Output:
   b  c  a
0  3  5  1
1  4  6  2
2  5  7  3