比较常用的文件读写选项:
r+读写模式
w+写读模式
a追加写模式
a+追加读模式,因为文件值在最后,所以需要先seek(0)到文件开头,然后再读
‘r’以读的方式打开,只能读文件,若文件不存在...txt内显示如下:
["ython","c++","java"]
(a,b,c)
{"username":"wangli","password":123456}
I love English too!...\n')
txt内显示如下:
["ython","c++","java"]
(a,b,c)
{"username":"wangli","password":123456}
I love English...#writelines以写入模式写入列表类:
data =[ ['a','b','c'],['a','b','c'],['a','b','c']]
with open("1.txt","w") as...txt内容:
["Python","c++","java"]
(a,b,c)
{"username":"wangli","password":123456}
I love English too!