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df get index values for group of rows.
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Here is a Python code to get index values for group of rows

import pandas as pd

def get_index_values(df, group_by_column, group_by_value):
    """
    Get the index values for the group of rows.
    """
    return df.index[df[group_by_column] == group_by_value]

# Enter the data
df = pd.DataFrame({'A': [1, 2, 3, 4, 5], 'B': [1, 2, 3, 4, 5]})

# Calling the function
index_values = get_index_values(df, 'A', 2)

#Remember to inspect code for bugs.