通过值过滤JSON

import json

# 假设有以下JSON数据
json_data = '''
{
  "students": [
    {
      "name": "Alice",
      "age": 20,
      "grade": "A"
    },
    {
      "name": "Bob",
      "age": 22,
      "grade": "B"
    },
    {
      "name": "Charlie",
      "age": 21,
      "grade": "A"
    }
  ]
}
'''

# 解析JSON数据
data = json.loads(json_data)

# 通过年龄为20过滤数据
filtered_data = [student for student in data["students"] if student["age"] == 20]

# 打印满足条件的数据
for student in filtered_data:
    print(student)

# -*- coding: utf-8 -*-
import json

def main_handler(event, context):
    # 假设有以下JSON数据
    json_data = '''
    {
      "students": [
        {
          "name": "Alice",
          "age": 20,
          "grade": "A"
        },
        {
          "name": "Bob",
          "age": 22,
          "grade": "B"
        },
        {
          "name": "Charlie",
          "age": 21,
          "grade": "A"
        }
      ]
    }
    '''
    
    # 解析JSON数据
    data = json.loads(json_data)
    
    # 通过年龄为20过滤数据
    filtered_data = [student for student in data["students"] if student["age"] == 20]
    
    # 返回满足条件的数据
    return filtered_data