Can you please explain programs on r+,w+,and a+?

Question

File handling

Answer 1

r+ means file opened for reading, additionally writing mode..
w+ also opened for writing additionally reading,
a+ for appending additionally for reading, writing...

For clarification this may help you more :

https://stackoverflow.com/questions/16208206/confused-by-JUMP_LINK__&&__python__&&__JUMP_LINK-file-mode-w

Answer 2

Thank you🙏