pandas sort columns by name code example

Example 1: sort dataframe by column

df.sort_values(by='col1', ascending=False)

Example 2: pandas sort columns by name

df = df.reindex(sorted(df.columns), axis=1)

Example 3: dataframe, sort by columns

final_df = df.sort_values(by=['2'], ascending=False)

Example 4: dataframe sort by column

sorted = df.sort_values('column-to-sort-on', ascending=False)
#or
df.sort_values('name', inplace=True)

Example 5: sort dataframe by column

df.sort_values(by='col1', ascending=False, na_position='first', inplace=True)

Example 6: pandas reorder columns by name

#old df columns
df.columns
Index(['A', 'B', 'C', 'D'],dtype='***')
#new column format that we want to rearange
new_col = ['D','C','B','A'] #list of column name in order that we want

df = df[new_col]
df.columns
Index(['D', 'C', 'B', 'A'],dtype='***')
#new column order