以下两段代码的区别是啥?加r的作用是什么,不加提示文件格式有问题,但运行结果是一样的。
```python
myFiles = ['account.docx', 'details.csv', 'made.xls']
for file in myFiles:
print(Path(r'C:\user\A1', file))
myFiles = ['account.docx', 'details.csv', 'made.xls']
for file in myFiles:
print(Path('C:\user\A1', file))
```