How to change the order of DataFrame columns?

Question

I have the following DataFrame (df):

import numpy as np
import pandas as pd

df = pd.DataFrame(np.random.rand(10, 5))

Answer 1

Here's a way to move one existing column that will modify the existing data frame in place.

my_column = df.pop('column name')
df.insert(3, my_column.name, my_column)