E1. First things first, we need to read in the Pokedex. Use the pandas function read_csv to read the pokedex.csv file into a variable called pokedex. (Don't use df, as doing so could cause confusion later in the assignment.) Don't forget to import pandas.
E2. Call head() to display the first 10 rows of the dataset.
E3. Call tail() to display the last 5 rows of the dataset.
E4. Using slicing notation, select the three Pokémon from rows 606 to 608 (inclusive).