how to get index of pandas dataframe python
DataFrame.indexhow to get index of pandas dataframe python
DataFrame.indexpandas df by row index
indices = [133, 22, 19, 203, 14, 1]
df_by_indices = df.iloc[indices, :]how to get index of pandas dataframe python
import pandas as pd
df = pd.DataFrame(
[[88, 72, 67],
[23, 78, 62],
[55, 54, 76]],
index=[2, 4, 9],
columns=['a', 'b', 'c'])
index = df.index
print(index)add an index column in range dataframe
df = df.loc[df.index.repeat(df['a'])]
df['c'] = df.groupby(level=0).cumcount() + 1
df = df.reset_index(drop=True)
print (df)
a b c
0 1 x 1
1 2 y 1
2 2 y 2
3 3 z 1
4 3 z 2
5 3 z 3Copyright © 2021 Codeinu
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