从嵌套字典中按键提取值 [英] Extract values by key from a nested dictionary

问题描述

给定这个嵌套字典，我如何使用 for 循环打印所有电话"值?

Given this nested dictionary, how could I print all the "phone" values using a for loop?

people = {
    'Alice': {
        'phone': '2341',
        'addr': '87 Eastlake Court'
        },

    'Beth': {
        'phone': '9102',
        'addr': '563 Hartford Drive'
        },

    'Randy': {
        'phone': '4563',
        'addr': '93 SW 43rd'
        }

推荐答案

for d in people.values():
    print d['phone']

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