sort by two columns pandas code example
Example 1: df sort values
>>> df.sort_values(by=['col1'], ascending = False)
col1 col2 col3
0 A 2 0
1 A 1 1
2 B 9 9
5 C 4 3
4 D 7 2
3 NaN 8 4
Example 2: sorting by column in pandas
df.sort_values(by=["col1"])
df.sort_values(by=["col1"], inplace = True)
Example 3: sort by two columns in pandas
df.sort_values(['a', 'b'], ascending=[True, False])
Example 4: sort dataframe by column
df.sort_values(by='col1', ascending=False, na_position='first', inplace=True)
Example 5: order dataframe by multiple columns python
df = df.sort_values(["b", "c"], ascending = (False, True))
Example 6: sort columns dataframe
df = df.reindex(sorted(df.columns), axis=1)