dataframe sort values descending
df.sort_values(by='field_name',ascending=False)dataframe sort values descending
df.sort_values(by='field_name',ascending=False)df.sort_values(by='col1',asending=True)
>>> df.sort_values(by='col1', ascending=False)
col1 col2 col3 col4
4 D 7 2 e
5 C 4 3 F
2 B 9 9 c
0 A 2 0 a
1 A 1 1 B
3 NaN 8 4 Dreverse column order pandas
import pandas as pd
df = pd.DataFrame({'a':[1,2,3],
'b':[4,5,6,],
'c':[7,8,9,]})
df_col_reversed = df.loc[:, ::-1] # reverse column order
df_row_reversed = df.loc[::-1, :] # reverse row orderCopyright © 2021 Codeinu
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