python open
时间: 2023-10-27 20:37:59 浏览: 39
python中open函数的基本用法示例
5星 · 资源好评率100%
"open" is a built-in function in Python used to open a file in the file system. It returns a file object which can be used to read or write to the file. The syntax for the function is:
open(file, mode='r', buffering=-1, encoding=None, errors=None, newline=None, closefd=True, opener=None)
The "file" parameter is the name of the file to be opened, and the "mode" parameter specifies the mode in which the file is to be opened (read, write, append, etc.). The other parameters are optional and provide additional functionality for the opened file.
For example, to open a file named "example.txt" in the current directory in read mode, you can use:
file = open("example.txt", "r")
After opening the file, you can read its contents using the "read" method:
contents = file.read()
And finally, you should close the file using the "close" method:
file.close()
阅读全文