Python循环中筛选Wrapped BNB等数据移至顶部格式化输出实现方案

核心逻辑是先收集所有匹配到的目标代币数据和交易明细内容，全部处理完成后再统一按要求格式输出，避免边遍历边打印导致汇总数据零散。

完整修改后代码 #

from bs4 import BeautifulSoup
from urllib.request import Request, urlopen

addrlist = ['0x13258c89cc8f640ff68d23f1d31d38a4c4a4376a6120ca077f66a0b337912386',
            '0x252b25b7c0ce8ebfbb85824a7af413c95ac91f544c3ae34a23c6390c6baec5f7',
            '0x5b3ab3c8765a2a55ad5ac394f5f89e150fdb5ea3c4620b8e8a6c9be10ab53557',
            '0x9c4d1308d85f9e175809b8a49418ff6cf72264bca10660cc8d91a01b93487503']
url = "https://bscscan.com/tx/"
count = 0

for i in addrlist:
    count += 1
    url1 = url + i
    req = Request(url1, headers={'User-Agent': 'Mozilla/5.0'})
    webpage = urlopen(req).read()
    soup = BeautifulSoup(webpage, 'html.parser')        
    main_data = soup.select("ul#wrapperContent div.media-body")
    
    # 初始化存储变量：目标代币汇总列表、明细行列表
    target_summary = []
    detail_lines = []
    
    for item in main_data:
        all_span = item.find_all("span", class_='mr-1')
        last_span = all_span[-1]
        all_a = item.find_all("a")
        last_a = all_a[-1]
        tval = last_span.get_text(strip=True)
        token_name = last_a.get_text(strip=True)[:11]
        
        # 先存明细行
        detail_lines.append("       ** {:>35} | {:14} | {}".format(last_a['href'][7:], token_name, tval))
        # 判断是否为目标代币，是则加入汇总列表
        if token_name in ("Wrapped BNB", "Binance-Peg"):
            target_summary.append(f"{tval}   {token_name}")
    
    # 统一输出
    print(f"Item: {count}  -> {' / '.join(target_summary)}")
    for line in detail_lines:
        print(line)
    print("--------------------------------------------------------------------------------------------------------------")

调整点说明 #

• 移除了遍历明细过程中打印目标代币数据的逻辑，改为将匹配到的目标数据存入临时汇总列表
• 所有交易明细先格式化后存入临时列表，不直接打印
• 单地址所有明细处理完成后，先打印带汇总数据的Item头部，再批量打印所有明细行
• 多个目标代币的汇总数据用/拼接，和期望输出格式完全对齐

内容的提问来源于stack exchange，提问作者rbutrnz