Applying NLP Pre-Processing on Multiple Columns in a Pandas DataFrame: A Step-by-Step Guide

Checking Presence of Specific Time Dimension in DateTime Column Using Pandas.

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Using Pandas for Pandemic: A Step-by-Step Guide to Handling Missing Data with Imputation

The code you've provided is a Python script that creates a DataFrame, updates its values using the `iloc` method, and then prints the original DataFrame, the updated DataFrame with the first three columns updated, and finally the updated DataFrame with all six columns updated.