I need help calculating the average time that is "for loop" that I am unsure how to in python.When in "read" mode: - Average time to find "i" in the file in seconds - Average time to find all the...

I need help calculating the average time that is "for loop" that I am unsure how to in python.When in "read" mode: - Average time to find "i" in the file in seconds - Average time to find all the letters i in the line in secondsWhen in "write" mode (Unsure about the first one that I did): - Average time to write a line in the file in seconds - Average time to find all the letters i in the line in secondsI already did one in read mode file for readlines with execute and average time that I want to do same for the "for loops" that I struggle with.