Let's drop a column:

1. Note that the to column only contains your own email. So, we can drop this irrelevant column:

dfs.drop(columns='to', inplace=True)

2. This drops the to column from the dataframe. Let's display the first 10 entries now:

dfs.head(10)

The output of the preceding code is as follows:

Check the preceding output. The fields are cleaned. The data is transformed into the correct format.