python字典列表循环嵌套 合并多个列表元素

python字典列表循环嵌套 合并多个列表元素

user2op = {
    "aaa":[
        "123", 
        "1334",
        "124",
        "234"], 
    "bbb":[
        "1232",
        "133",
        "1241",
        "1234"] 
}

op2post = {
    "123":[
        "sadafsagf",
        "wewrwr",
        "dsff",
        "sadaf"],
    "234":[
        "1faffa",
        "safasfga",
        "sdsf",
        "zxzc"],
    '1234': [
        'zxcafssf', 
        'dadaf22424', 
        'dafasv', 
        'vxvdfw'],
    "124":[
        'eqeqe',
        'qw1',
        'dqdqf'
    ]
}

user2post={}
for user,ops in user2op.items():
    posts = []
    for op in ops:
        temp = op2post.get(op)
        if temp:
            posts.extend(op2post.get(op))
            user2post[user] = posts
print(user2post)

输出
"""
{'aaa': ['sadafsagf',
  'wewrwr',
  'dsff',
  'sadaf',
  'eqeqe',
  'qw1',
  'dqdqf',
  '1faffa',
  'safasfga',
  'sdsf',
  'zxzc'],
 'bbb': ['zxcafssf', 'dadaf22424', 'dafasv', 'vxvdfw']}
 """