根据条件从嵌套列表中删除某些子列表

def remove_sublists(nested_list, condition):
    result = []
    for sublist in nested_list:
        if isinstance(sublist, list):
            if condition(sublist):
                continue
            else:
                result.append(remove_sublists(sublist, condition))
        else:
            result.append(sublist)
    return result

nested_list = [1, [2, 3], [4, [5, 6]], 7]
condition = lambda sublist: len(sublist) > 2

result = remove_sublists(nested_list, condition)
print(result)