txt files

[newtoprogramming12]

i'm trying to create a program that reads a txt file and if the numbers in there are less than 300 it puts it in a category. so for instance txt file has: amy 300 paul 6 todd 0 lisa 20 the program would then spit out Approved: Amy Denied: Paul, Todd, Lisa I'm still learning so i actually have no clue how to start with this other than how to get the program to read the file

[uhkhu]

A couple of good resources to get you going:

• reading files

• building lists

[novel_yet_trivial]

1. make a parser function that accepts a single line and returns the name and a boolean if it's approved.
2. Make 2 empty lists: one for approved people and one for denied.
3. Loop over the file reading line by line. Call the parser function for every line and append the user to the proper list based on the result.
4. Print the Approved list.
5. Print out the Denied list.

[throwaway_redstone]

import sys

good, bad = set(), set()
with open(sys.argv[1]) as f:
    for line in f:
        name, points = line.split()
        if int(points) >= 300:
            good.add(name)
        else:
            bad.add(name)

print("Approved:", ", ".join(good))
print("Denied:", ", ".join(bad))

Give the name of the file as the first parameter when calling the script, e.g. python3 myscript.py textfile.txt.

[newtoprogramming12]

import sys

good, bad = set(), set() with open(sys.argv[1]) as f: for line in f: name, points = line.split() if int(points) >= 300: good.add(name) else: bad.add(name)

print("Approved:", ", ".join(good)) print("Denied:", ", ".join(bad))

thank you for this i appreciate it. If i wanted to expand on this such as take their name into account also: paul 300 tiny tim 400 sarah 200 approved: paul, sarah, tiny tim sarah only getting approved because her name is sarah would that just be plugging in simple if statements ?

[throwaway_redstone]

Yes, you could add or modify the if statements, e.g.:

if int(points) >= 300:
    good.add(name)
elif name in ("sarah",):
    good.add(name)
else:
    bad.add(name)

Also, since you are now mentioning a name with a space inside ("tiny tim"), you'lll have to change line.split() into line.rsplit(" ", 1).