Writing Lines to a Different File

I am reading content from a file (scores.txt) and I have formatted the data that I need from it and I would like to write those lines to a new file. The new file I will be writing to is top_scores.txt. Below is the code for the desired output. I am just not entirely sure how to print to the file.

infile = open('scores.txt', 'r')
lineList = sorted(infile.readlines())

for lines in lineList:
    newLine = lines.replace('\n', '')
    splitLines = newLine.split(',')
    studentNames = splitLines[0]
    studentScores = splitLines[1:]
    studentsList = []
    for i in studentScores:
        studentsList.append(int(i))
    topScore = max(studentsList)
    print(studentNames.capitalize() + ': ', studentsList, 'max score =', int(topScore))

Sample from scores.txt:

Pmas,95,72,77,84,86,81,74,\n

Sample for desired input for new file:

Pmas: [95,72,77,84,86,81,74], max score = 95\n

Solution

Here is a correct way to achieve what you want :

with open("scores.txt", 'r') as infile, open("top_score.txt", 'w') as outfile, open("top_score2.txt", '\
w') as outfile2:
    lineList = sorted(infile.readlines())
    for lines in lineList:
        newLine = lines.replace('\n', '')
        splitLines = newLine.split(',')
        studentNames = splitLines[0]
        studentScores = splitLines[1:]
        studentsList = []
        for i in studentScores:
            if i == '':
                break
            studentsList.append(int(i))
        topScore = max(studentsList)
        result = "%s: %s,max score = %d" % (studentNames.capitalize(),
                                            str(studentsList),
                                            max(studentsList))
        print(result)
        print(result, file = outfile)
        outfile2.write(result + "\n")

Note that I used two ways to print the result :

print() file parameter.
file.write() method.

Also note that I used a with statement like jDo suggested.

This way, it permits to open a file and to automatically close it when exiting the block.

EDIT :

Here is a version that is even shorter :

with open("scores.txt", 'r') as infile, open("top_score.txt", 'w') as outfile, open("top_score2.txt", 'w') as outfile2:
    lineList = sorted(infile.readlines())
    for lines in lineList:
        lines = lines.replace('\n', '').split(',')
        studentScores = lines[1:-1]
        studentsList = [int(i) for i in studentScores]
        result = "%s: %s,max score = %d" % (lines[0].capitalize(),
                                            str(studentsList),
                                            max(studentsList))
        print(result)
        print(result, file = outfile)
        outfile2.write(result + "\n")