# 3.处理文件,用户指定要查找的文件和内容,将文件中包含要查找内容的每一行都输出到屏幕 # def check_file(filename,aim): # with open(filename,encoding='utf-8') as f: #句柄 : handler,文件操作符,文件句柄 # for i in f: # if aim in i: # yield i # # g = check_file('1.复习.py','生成器') # for i in g: # print(i.strip()) # 4.写生成器,从文件中读取内容,在每一次读取到的内容之前加上‘***’之后再返回给用户。 # def check_file(filename): # with open(filename,encoding='utf-8') as f: #句柄 : handler,文件操作符,文件句柄 # for i in f: # yield '***'+i # # for i in check_file('1.复习.py'): # print(i.strip())
来源:https://www.cnblogs.com/xibanqiu/p/12391138.html