学习文件过程中想尝试在py文件执行过程中将执行过程记录进自定义txt文件，先尝试能否打开非txt文件，大致的代码如下：
path = “源码.py” #需要读取的路径
filename = “a.txt” #读取后的数据存放点（默认此程序同目录）
with open(path,’r’) as line_object: #’r’只读模式，’a’附加模式
lines = line_object.headline()
for content in lines:
with open(filename,’a’) as file_object:
files = file_object.write(content+”\n”)
报错：
Traceback (most recent call last):
File “C:\Users\28654\Desktop\工算综合程序\kkk.py”, line 6, in
lines = line_object.headline()
AttributeError: ‘_io.TextIOWrapper’ object has no attribute ‘headline’
因而选择尝试同txt文件操作：
pathfile = “a.txt” #需要读取的路径文件
filename = “b.txt” #读取后的数据存放点（默认此程序同目录）
with open(pathfile,’r’) as line_object:
lines = line_object.headline()
for content in lines:
with open(filename,’a’) as file_object:
files = file_object.write(content+”\n”)
a.txt , b.txt 以及该程序均保存在桌面，但出现无法找到的问题，希望有大佬能指点问题所在
Traceback (most recent call last):
File “C:\Users\28654\Desktop\读取写入脚本.py”, line 3, in
with open(pathfile,’r’) as line_object:
FileNotFoundError: [Errno 2] No such file or directory: ‘a.txt’
warnel_
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来源： https://blog.csdn.net/qq_45960624/article/details/104562619