Writing to Files in python

Question

I am creating a .txt file to store scores in my snake game. The problem is writing back into the file. my current idea goes somewhat like this:

for line in open("scoreboard.txt", "r+"):
    line = scorelist[y] + namelist[y]

I've already read through the scores, made them into a list, and incorporated a new score, but I can't figure out how to simultaneously cycle through both a line and the lists i'm storing the data in to process, and overwrite the old scores.

You don't want to do that. Better to read the file first, make your changes, and then write a new file (the new file can be the same name as your old file). Or you can write to a temporary file, then rename that temporary file to scoreboard.txt. — Burhan Khalid
– Burhan Khalid, Commented Jun 15, 2014 at 11:04

muffel · Accepted Answer · 2014-06-15 11:10:45Z

1

You could use JSON encoding to store simple objects into a file:

import json

myscore = [1,2,5]
mynames = ["foo","bar","baz"]

#save
with open("scores.json","w") as f:
    json.dump({'score' : myscore, 'names': mynames},f)

#load
with open("scores.json","r") as f:
    content = json.load(f)
    loadedScore = content['score']
    loadedNames = content['names']

answered Jun 15, 2014 at 11:10

muffel

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