1. Suppose you wanted to explore/browse the entire imported dataset (`toyota.df`) as you would normally do in Microsoft Excel, how would you go about doing it?

2. Some of the columns of `toyota.df` are quantitative and some of them are categorical variables. What 2 variables are categorical variables that are coded as text (rather than as numerical)? Give an example of 2 variables that are numerical and an example of 2 variables that are categorical but coded as numerical.