Pandas library in Python is crucial for data preprocessing tasks.Commands like read_csv(), head(), and tail() aid in loading and previewing data.The info() function offers a summary of the DataFrame structure and missing values.describe() provides statistical insights into numerical data for quick analysis.isnull() helps identify missing values, while dropna() removes them.fillna() is useful for filling missing values with specified data.Filtering data based on conditions is simplified with Pandas commands.apply() function allows applying custom functions to columns or rows efficiently.These 9 commands are essential for data preprocessing, improving efficiency in cleaning and transforming data.They save time and effort in preparing data for analysis or modeling purposes.