Requestdata7美国出生率

7美国出生率

def calc_counts(data, column):

    sums_dict = {}

    

    for row in data:

        col_value = row[column]

        births = row[4]

        if col_value in sums_dict:

            sums_dict[col_value] = sums_dict[col_value] + births

        else:

            sums_dict[col_value] = births

    return sums_dict

 

cdc_year_births = calc_counts(cdc_list, 0)

cdc_month_births = calc_counts(cdc_list, 1)

cdc_dom_births = calc_counts(cdc_list, 2)

cdc_dow_births = calc_counts(cdc_list, 3)