python - 如何使用函数将字典的值添加到Python中

Question

import csv

def statistics():
    statistics2 = {}
    with open("BLS_private.csv") as f:
        reader = csv.reader(f)
        for row in reader:
            statistics2 = row

    return statistics2


statistics()

字典样本数据:

['2005', '110718', '110949', '111094', '111440', '111583', '111844', '112124', '112311', '112395', '112491', '112795', '112935']
['2006', '113250', '113535', '113793', '113958', '113965', '114045', '114203', '114348', '114434', '114439', '114628', '114794']

如何将除字典中的第一个值之外的所有值连续添加到一起？

第一个值始终是年份；就像示例数据中我有 2005 年和 2006 年。我不需要添加年份。

然后我想将行中之后的所有值加在一起。我该怎么做？

(我也有很多年了)

Answer 1

欢迎来到 StackOverflow :)

您可以通过利用 list.pop(index) 获取列表中的第一项作为键，并使用列表理解来计算剩余值的总和来实现此目的。

    ## Assign variable for dictionary ##
    dictionary = {}

    ## Data assuming it is formatted as lists within a list ##

    data = [['2005', '110718', '110949', '111094', '111440', '111583', '111844', '112124', '112311', '112395', '112491', '112795', '112935'],
    ['2006', '113250', '113535', '113793', '113958', '113965', '114045', '114203', '114348', '114434', '114439', '114628', '114794']]

    ## Iterate over all lists within your data list
    for i in data:

        ## Utilize list.pop(index) to grab and remove the first item in the list (Index 0)
        key = i.pop(0)

        ## Create a key in the dictonary using the value we popped off the list
        ## Sum all values left in the list as an integer if it is a digit
        dictionary[key] = sum([int(v) for v in i if v.isdigit()])

    ## Result

    dictionary
    {'2005': 1342679, '2006': 1369392}