from sys import argv
## usual boilerplate to discipline naughty users.
file_name = argv[1]
search_string = argv[2]
fp = open(file_name, "r")
blob = fp.read()
if search_string in blob:
    print(f"The file {file_name} contains the string {search_string}.")
else:
    print(f"The file {file_name} does not contain the string {search_string}.")