Python, convert 'with open() as ... to a for loop'. I'm confused as how to use with as in python and want to use a for loop instead to open a text file and remove any leading new lines. Can someone convert the following line to a for loop

with open("testText.txt", "r") as file:

eachLine = [indexRow.rstrip(' ') for indexRow in file]

...

I want to convert that code into an easier to understand code without the with as