Discuss the importance of data : Missing value treatment in Python

The video tutorial covers handling missing values in a dataset by replacing them with the mean value. It explains calculating the mean, using the Fillna method to impute missing values, and making these changes permanent in the dataframe. The tutorial emphasizes the importance of understanding parameters like 'inplace' to ensure data changes are stored correctly.

What will happen if the 'in place' parameter is set to false?

What value was used to impute the missing values in the time taken variable?