Pandas index column title or name

To set the name of the index column in a pandas DataFrame, you can use the .rename_axis() method or the .index.name attribute. Here is an example:

import pandas as pd

# Create a sample DataFrame
df = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6]})

# Method 1: using .rename_axis()
df = df.rename_axis("Index", axis=0)

# Method 2: using .index.name
df.index.name = "Index"

print(df)

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This will set the name of the index column to "Index". You can replace "Index" with any other string to set the desired name.