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初级

查询6月份的入库（跨月业务-退货处理）

未完成
初级参考 完整示例代码供参考，建议自己理解后重新输入 
def solve():
    import sqlite3
    import pandas as pd
    
    conn = sqlite3.connect(':memory:')
    
    base_url = 'https://liangdaima.com/static/data/crm/state_05/'
    
    tables = ['suppliers', 'customers', 'products', 
              'stock_in', 'stock_in_items', 
              'stock_out', 'stock_out_items']
    
    for table in tables:
        try:
            url = base_url + table + '.csv'
            df = pd.read_csv(url)
            df.to_sql(table, conn, index=False)
        except Exception as e:
            pass
    
    result = conn.execute('SELECT * FROM stock_in WHERE 制单日期 LIKE \'2026-06%\'').fetchall()
    conn.close()
    return result

示例

输入
print(solve())
期望输出
[(1, '2026-06-01', 'RK20260601001', '华为', 'D20260601001', '张师傅', 13800138010, None), (2, '2026-06-02', 'RK20260602001', '小米', 'D20260602001', '李师傅', 13900139010, None), (3, '2026-06-03', 'RK20260603001', '华为', 'D20260603001', '王师傅', 13700137010, '加急订单'), (4, '2026-06-10', 'RK20260610001', 'OPPO', 'D20260610001', '赵师傅', 13600136010, None), (5, '2026-06-12', 'RK20260612001', 'vivo', 'D20260612001', '钱师傅', 13500135010, None), (6, '2026-06-18', 'RK20260618001', '华为', 'D20260618001', '张师傅', 13800138010, '旺季备货'), (7, '2026-06-20', 'RK20260620001', '小米', 'D20260620001', '李师傅', 13900139010, '旺季备货'), (8, '2026-06-22', 'RK20260622001', 'OPPO', 'D20260622001', '赵师傅', 13600136010, None), (9, '2026-06-25', 'RK20260625001', 'vivo', 'D20260625001', '钱师傅', 13500135010, None), (10, '2026-06-28', 'RK20260628001', '苹果授权经销商', 'D20260628001', '孙师傅', 13300133010, '新品到货')]
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