创建字典列出排名顺序 | 创建字典列出排名顺序

本文介绍了创建字典列出排名顺序的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我有一个人的列表，谁控制谁，但我需要结合它们，并形成几个句子来计算哪个人控制一个人的列表。

I have a list of people and who controls who but I need to combine them all and form several sentences to compute which person control a list of people.

员工订单来自 txt 文件：

推荐答案

from collections import defaultdict

controls = defaultdict(list)

with open('data.txt') as file:
    for line in file:
        controller, controlled = line.strip().split(' controls ')
        controls[controller].append(controlled)

print 'employee order:'
for controller, controlled in controls.iteritems():
    if len(controlled) > 1:
        conjoined = ', '.join(controlled[:-1])
        conjoined = '{} and {}'.format(conjoined, controlled[-1])
    else:
        conjoined = controlled[0]
    print '{} controls {}'.format(controller, conjoined)

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