How can i print media content in file

Question

I have a file with media I'd and an external command to find the content. I was try to create a code to gather media content and save it into a file. the the code should do following:

1. read the file and assign variable with first media in media list from file.
2. run command and save output of the command in a file with name of media
3. assign new value to media and run command again
4. this process will continue till end of file

the content of media_id.txt is as below:

1234L5
2345L5
5364L5
5374L5

https://code.sololearn.com/cjLAD8aaqYc7/?ref=app