PYTHON

find index of pandas column

In [45]: df = DataFrame({"pear": [1,2,3], "apple": [2,3,4], "orange": [3,4,5]})

In [46]: df.columns
Out[46]: Index([apple, orange, pear], dtype=object)

In [47]: df.columns.get_loc("pear")
Out[47]: 2

finding the index of an element in a pandas df

In [48]: a
Out[48]: 
   c1  c2
0   0   1
1   2   3
2   4   5
3   6   7
4   8   9

In [49]: a.c1[a.c1 == 8].index.tolist()
Out[49]: [4]

finding the index of an item in a pandas df

print(df[df['Name']=='Donna'].index.values)

accessing index of dataframe python

# For accessing dataframe index:
df.index
# For retrieving dataframe index as list:
df.index.tolist()
# for accessing value for an index:
df.at[index_value, column_value]

get index number pandas dataframe

df.index[df['BoolCol'] == True].tolist()

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)

get index of dataframe

df.index

how to get index of pandas dataframe python

DataFrame.index