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中级

实现验证错误聚合

未完成
中级参考 代码结构已给出，请填写 ____ 处 
def solve():
    from pyodide.http import open_url
    from io import StringIO
    validation_rules_csv = open_url(____).read()
    import pandas as pd, re, json
    from io import StringIO
    rules = pd.read_csv(StringIO(____))
    def validate_all(____):
        errors = {}
        for _, rule in rules_df.iterrows():
            field = rule['____']
            val = data.get(____)
            if rule['____'] == '____' and not val:
                errors.setdefault(____).append(____)
            elif rule['____'] == '____' and val:
                if not re.match(rule['____'], str(____)):
                    errors.setdefault(____).append(____)
            elif rule['____'] == '____' and val is not None:
                mn, mx = map(float, rule['____'].split(____))
                if not mn <= float(____) <= mx:
                    errors.setdefault(____).append(____)
        return errors
    bad_data = {'____': '____', '____': '____', '____': '____', '____': -____, '____': -____}
    errors = validate_all(____)
    print(____)
    for field, msgs in errors.items():
        print(____)

示例

输入
solve()
期望输出
总错误数: 5
  username: ['用户名不能为空']
  email: ['邮箱格式不正确']
  phone: ['手机号格式不正确']
  age: ['年龄必须在1-120之间']
  price: ['价格必须大于0']
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