以下是一个示例代码，用于按国籍创建每页人员序列。

# 创建每页人员序列的函数
def create_page_sequence(people, nationality, page_size):
    # 根据国籍过滤人员
    filtered_people = [person for person in people if person['nationality'] == nationality]
    
    # 计算总页数
    total_pages = len(filtered_people) // page_size
    if len(filtered_people) % page_size != 0:
        total_pages += 1
    
    # 创建每页人员序列
    page_sequence = []
    for i in range(total_pages):
        start_index = i * page_size
        end_index = start_index + page_size
        page_sequence.append(filtered_people[start_index:end_index])
    
    return page_sequence

使用示例：

people = [
    {'name': 'John', 'nationality': 'USA'},
    {'name': 'Emma', 'nationality': 'UK'},
    {'name': 'Liu', 'nationality': 'China'},
    {'name': 'Sophia', 'nationality': 'USA'},
    {'name': 'Mia', 'nationality': 'UK'},
    {'name': 'Wang', 'nationality': 'China'},
    {'name': 'Michael', 'nationality': 'USA'},
    {'name': 'William', 'nationality': 'UK'},
    {'name': 'Li', 'nationality': 'China'}
]

page_size = 2

# 按国籍创建每页人员序列
usa_sequence = create_page_sequence(people, 'USA', page_size)
uk_sequence = create_page_sequence(people, 'UK', page_size)
china_sequence = create_page_sequence(people, 'China', page_size)

# 打印每个国籍的每页人员序列
print("USA sequence:")
for page in usa_sequence:
    print(page)

print("UK sequence:")
for page in uk_sequence:
    print(page)

print("China sequence:")
for page in china_sequence:
    print(page)

这段代码将根据指定的国籍，按每页指定的大小创建每页人员序列。在示例中，我们使用了一个包含人员信息的列表，并将其分为每页大小为2的序列，然后按国籍过滤并创建每页人员序列。最后，我们打印了每个国籍的每页人员序列。