import modules
import pandas as pd
import numpy as np
create dummy dataframe
raw_data = {'name': ['Willard Morris', 'Al Jennings', 'Omar Mullins', 'Spencer McDaniel'],
'age': [20, 19, 22, 21],
'favorite_color': ['blue', 'red', 'yellow', "green"],
'grade': [88, 92, 95, 70]}
df = pd.DataFrame(raw_data, index = ['Willard Morris', 'Al Jennings', 'Omar Mullins', 'Spencer McDaniel'])
df
| age | favorite_color | grade | name | |
|---|---|---|---|---|
| Willard Morris | 20 | blue | 88 | Willard Morris |
| Al Jennings | 19 | red | 92 | Al Jennings |
| Omar Mullins | 22 | yellow | 95 | Omar Mullins |
| Spencer McDaniel | 21 | green | 70 | Spencer McDaniel |
change order of the columns
#now 'age' will appear at the end of our df
df = df[['favorite_color','grade','name','age']]
df.head()
| favorite_color | grade | name | age | |
|---|---|---|---|---|
| Willard Morris | blue | 88 | Willard Morris | 20 |
| Al Jennings | red | 92 | Al Jennings | 19 |
| Omar Mullins | yellow | 95 | Omar Mullins | 22 |
| Spencer McDaniel | green | 70 | Spencer McDaniel | 21 |