首先,我们定义了一个名为remove_lines_from_file的函数,该函数接受两个参数:file_name表示文件名,num_lines表示要删除的行数。 然后,我们使用with open(file_name, 'r') as file语句打开文件。with语句是一种上下文管理器,它会在代码块执行结束后自动关闭文件。open(file_name, 'r')表示以只读模式打开文件,并...
importpandasaspddefremove_lines_from_excel(input_file,output_file,content):df=pd.read_excel(input_file)df=df[~df.apply(lambdarow:row.astype(str).str.contains(content).any(),axis=1)]df.to_excel(output_file,index=False)# 示例用法remove_lines_from_excel('input.xlsx','output.xlsx','remove...
withopen('file.txt','r')asfile:lines=file.readlines()# lines 现在是一个包含每一行文本的列表print(lines)# 输出:# ['Hello, this is line 1.\n', 'This is line 2.\n', 'And this is line 3.\n']# 访问特定行print(lines[0].strip())# 输出:Hello, this is line 1. 注意事项: 每...
file_handler = logging.FileHandler('Test.log', mode='w') file_formatter = logging.Formatter('[%(asctime)s]: %(message)s') file_handler.setFormatter(file_formatter) logger.addHandler(file_handler) def RemoveOneLine(file, ToDelete): with open(file, 'r') as f: lines = f.readlines() f...
(): removed_lines = self.inner_board.moveDown() self.external_board.score += removed_lines self.updateWindow() else: super(TetrisGame, self).timerEvent(event) '''按键事件''' def keyPressEvent(self, event): if not self.is_started or self.inner_board.current_tetris == tetrisShape()....
total number of bytes in the lines returned. """ return [] def seek(self, offset, whence=None): # real signature unknown; restored from __doc__ 指定文件中指针位置 """ seek(offset[, whence]) -> None. Move to new file position. Argument offset is a byte count. Optional argument whe...
total number of bytes in the lines returned."""return[]defseek(self, offset, whence=None):#real signature unknown; restored from __doc__指定文件中指针位置"""seek(offset[, whence]) -> None. Move to new file position. Argument offset is a byte count. Optional argument whence defaults to...
os.remove(os.path.join('output', 'data_2.csv'))当想要删除一整个目录文件夹的时候，可以使用os....
= False: raise Exception("This is a soft link file. Please chack.") with open(file_path, 'r', encoding='utf-8') as fhdl: fhdl.seek(0) lines_info = fhdl.readlines() for line in lines_info: if line.startswith('TIME_SN='): sn_value = line[8:-1] elif line.startswith('...
file = open('file.txt', 'r+') 这里的'r+'表示以读写模式打开文件。 读取文件内容:使用readlines()方法读取文件的所有行,并将其存储在一个list中。例如: 代码语言:txt 复制 lines = file.readlines() 删除字符串内容:遍历list中的每一行,使用replace()方法删除包含特定字符串的内容。例如,如果要删除所有包...