对数组中的重复项进行排序和删除- REST API SharePoint列表

from flask import Flask, request, jsonify

app = Flask(__name__)

@app.route('/api/sort-and-remove-duplicates', methods=['POST'])
def sort_and_remove_duplicates():
    data = request.json['data']  # 获取请求中的数组数据

    # 使用哈希表记录元素出现次数
    count = {}
    for num in data:
        count[num] = count.get(num, 0) + 1

    # 对数组进行排序
    sorted_data = sorted(data, key=lambda x: count[x], reverse=True)

    # 删除重复项
    unique_data = []
    for num in sorted_data:
        if num not in unique_data:
            unique_data.append(num)

    return jsonify({'result': unique_data})

if __name__ == '__main__':
    app.run()