Question

How to remove index from pandas dataframe

Answer 1

To remove an index from a pandas DataFrame, the .reset_index() method is used with the optional parameters 'drop=True' to drop the current index and 'inplace=True' to make the change in place.

Step-by-step explanation:

To remove an index from a pandas DataFrame, you can use the .reset_index() method. This function resets the index of the DataFrame to the default integer index. Here is an example:

import pandas as pd

data = {'col1': [1, 2], 'col2': [3, 4]}
df = pd.DataFrame(data)
df.set_index('col1', inplace=True)
print('Before reset_index:\\', df)

df.reset_index(drop=True, inplace=True)
print('After reset_index:\\', df)

The .reset_index() method has a parameter drop which is set to False by default and returns the index as a column. If you want to completely remove the index and do not add it as a new column, set drop to True. The inplace parameter, when set to True, modifies the DataFrame in place.