how to change the column order in pandas dataframe code example
Example 1: how to change the column order in pandas dataframe
df = df.reindex(columns=column_names)
Example 2: pandas reorder columns
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
df = df[['favorite_color','grade','name','age']]
df.head()
Example 3: reorder columns pandas
cols = df.columns.tolist()
cols = cols[-1:] + cols[:-1]
df = df[cols]