合并嵌套的两个对象数组，返回一个key对象数组

def merge_arrays(arr1, arr2):
    merged_array = []
    
    for obj1 in arr1:
        key = obj1['key']
        
        # 查找在arr2中是否存在相同key的对象
        obj2 = next((obj for obj in arr2 if obj['key'] == key), None)
        
        # 如果找到了相同key的对象，则合并它们的值，并将合并后的对象添加到结果数组中
        if obj2:
            merged_obj = {'key': key, 'value1': obj1['value'], 'value2': obj2['value']}
            merged_array.append(merged_obj)
    
    return merged_array

arr1 = [{'key': 'A', 'value': 1}, {'key': 'B', 'value': 2}, {'key': 'C', 'value': 3}]
arr2 = [{'key': 'B', 'value': 4}, {'key': 'C', 'value': 5}, {'key': 'D', 'value': 6}]

result = merge_arrays(arr1, arr2)
print(result)

[{'key': 'B', 'value1': 2, 'value2': 4}, {'key': 'C', 'value1': 3, 'value2': 5}]