#实时打印输出日志文件 import time with open('access.log', 'rb') as f:     f.seek(0, 2)     while True:         line = f.readline()         if line:             print(line.decode('utf-8'))         else:             time.sleep(0.05) # #截断文件 with  open('test.txt','a',encoding='utf-8') as f1:      f1.truncate(3)

# 修改文件内容 import os with open('test.txt','r',encoding='utf-8') as read_file,open('.test.txt.swap','w',encoding='utf-8') as write_file:     for line in read_file:         if 'anthony' in line:             line = line.replace('anthony','nb')         write_file.write(line) os.remove('test.txt') os.rename('.test.txt.swap','test.txt') # 禁止显示非法搜索内容

li = ['民谣','电音','纯音乐','古风'] l1 = [] comment = input('enter the world,please:').strip() for i in li:     if i in comment:         comment = i.replace(i,'*'*len(i)) l1.append(comment) print(*l1)