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5-1：

2-1: world_alcohol.txt： Year,WHO region,Country,Beverage Types,Display Value 1986,Western Pacific,Viet Nam,Wine,0 1986,Americas,Uruguay,Other,0.5 1985,Africa,Cte d'Ivoire,Wine,1.62 1986,Americas,Colom...

3-1: import pandas food_info = pandas.read_csv("food_info.csv") #print(type(food_info)) print(food_info.dtypes) print("------------------------") #first_rows = food_info.head() #print first_rows #pri...

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