from sys import argv
script, filename = argv
txt = open(filename)
print("here's your file %r:" % filename)
print(txt.read())
print("Type the filename again:")
file_again = input("> ")
txt_again = open(file_again)
print(txt_again.read())
output
D:\>python ex15.py ex15_sample.txt
here's your file 'ex15_sample.txt':
This id stuff I typed into a file.
It is really cool stuff.
Lots and lots of fun to have in here.
Type the filename again:
> ex15_sample.txt
This id stuff I typed into a file.
It is really cool stuff.
Lots and lots of fun to have in here.
2019-09-27
17:20:58