Python - pandas - Working with: elephants dataframes: Tabular Data - set_index, to_dict methods
Head First Python: A Learner’s Guide to the Fundamentals of Python Programming, A Brain-Friendly Guide、 Paul Barry(著)、 O’Reilly Mediaの Chapter 11.(Working with: elephants dataframes: Tabular Data)、EXERCISE(505/682)の解答を求めてみる。