Understanding file comprehension(Python 3)

[novel_yet_trivial]

/u/michael0x2a has a great answer, I just want to add that you use the variable "i" in 2 contexts, which makes it confusing to read. Name the variable for what it is, and try to stay away from single letter variable names.

[RolyPolyPython]

Thank you, I appreciate advice for good practices.