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