Almost unused, but please be aware that there may be some signs of use due to home storage. Individual sales are 2500 yen each. No price reduction. A series of 4 volumes on business data science using Python. - Title: Business Data Science with Python 1 - Title: Business Data Science with Python 2 - Title: Business Data Science with Python 3 - Title: Business Data Science with Python 4 - Contents: Introduction to Data Science - Contents: Data Preprocessing - Contents: Marketing Data Analysis - Contents: Finance Data Analysis Thank you for viewing.