Theopen()function takes two parameters;filename, andmode. There are four different methods (modes) for opening a file: "r"- Read - Default value. Opens a file for reading, error if the file does not exist "a"-
'x'for exclusive creation and'a'for appending (which on
'r'or'r:*' Openfor reading with transparent compression (recommended). 'r:' Openfor reading exclusively without compression. 'r:gz' Openfor reading with gzip compression. 'r:bz2' Openfor reading with bzip2 compression. 'a'or'a:' Openfor appending with no compression. The fileis createdif...
Overwrites the file if the file exists. If the file does not exist, creates a new file for writing. 打开一个仅用于写入的文件。 如果文件存在,则覆盖该文件。 如果文件不存在,则创建一个新文件进行写入。 a: Opens a file for appending. The file pointer is at the end of the file if the fi...
mode=‘a’opens the file for appending; any data written to the file is automatically added to the end任何append进file的数据都被自动加到文件末尾位置 mode=‘r+’opens the file for both reading and writing读写均可. 通常来说文件以text模式打开,这意味着我们读写string的文件是以一种特定的encoding...
open for writing, truncating the file first ‘a’ open for writing, appending to the end of the file if it exists ‘b’ binary mode ‘t’ text mode (default) ‘+’ open a disk file for updating (reading and writing) ‘U’ universal newline mode (for backwards compatibility; should no...
open for writing, truncating the file first ‘a' open for writing, appending to the end of the file if it exists ‘b' binary mode ‘t' text mode (default) ‘+' open a disk file for updating (reading and writing) ‘U' universal newline mode (for backwards compatibility; should not ...
'w' open for writing, truncating the file first 'x' create a new file and open it for writing 'a' open for writing, appending to the end of the file if it exists 'b' binary mode 't' text mode (default) '+' open a disk file for updating (reading and writing) ...
'r' open for reading (default) 'w' open for writing, truncating the file first 'x' create a new file and open it for writing 'a' open for writing, appending to the end of the file if it exists 'b' binary mode 't' text mode (default) ...
方法一:使用open()函数 这是最基础也是最常见的创建文件方式。只需一行代码,就能搞定! 复制 # 创建并打开一个名为example.txt的文件,模式为写入('w'),如果文件存在则会被覆盖 file=open('example.txt','w')# 关闭文件,记得这一步很重要哦! file.close() ...