本文实例为大家分享了python文件写入write()的操作的具体代码,供大家参考,具体内容如下
1
2
3
4
5
6
7
8
9
10
|
filename = 'pragramming.txt' with open (filename, 'w' ) as fileobject: #使用‘w'来提醒python用写入的方式打开 fileobject.write( 'i love your name!' '\ni love your cloth!' '\ni love your shoes!' '\ni love your hair!' ) with open (filename, 'a' ) as fileobject: #使用‘a'来提醒python用附加模式的方式打开 fileobject.write( '\ni an superman.' ) |
代码中的filename如果没有这个文件,python会自己新建一个。
json文件的写入和读取:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
|
import json filename = 'number.json' def write_json(): numbers = [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ] with open (filename, 'w' ) as fp: json.dump(numbers,fp) #写入json文件 write_json() def read_json(): with open (filename) as pf: numbers = json.load(pf) #读取json文件 print (numbers) read_json() |
训练:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
|
import json def remember_me(): active = true while active: for i in range ( 5 ): if i < 4 : username = input ( 'please enter your name:' ) filename = 'name.json' with open (filename, 'w' ) as fp: #以w的方式打开写入时会覆盖原有记录,而以a打开不会 json.dump(username,fp) print ( 'hello! ' + username.title()) else : active = false remember_me() |
以上所述是小编给大家介绍的python文件写入write()的操作详解整合,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持!
原文链接:https://blog.csdn.net/qq_27492735/article/details/78596412