Prints out corrects , partials and wrongs from the detail string

details.txt

Groupa  0 ++ /  1+  2a++ b++  c+++-/- d-- 3a- b-
Groupb  0++- 1+ 2a+/ b++ c+++--- d-- 3a- b-
Group4 0++/ 1+ 2a++ b++ c+++--- d-- 3a- b-
Group5 0++- 1+ 2a+/ b-- c------ d-- 3a- b-
Group6 0+++ 1? 2a++ b++ c-+/-// d-- 3a+ b-
Group7 0++- 1+ 2a// b// c-/---- d-- 3a- b-
Group8 0++/ 1+ 2a// b++ c+++-/- d// 3a- b-
Group9 0++- 1+ 2a-/ b// c-+---- d++ 3a- b-
Group1 0+++ 1+ 2a-/ b// c-+--/- d-- 3a- b-

EC521_GraderTool.py

def parseDetail(line):
    corrects = 0
    wrongs = 0
    partials = 0
    for i in range(0,len(line)):
        c = line[i]
        if c=='+': corrects=corrects+1
        if c=='-': wrongs=wrongs+1
        if c=='/': partials=partials+1
    return corrects, wrongs ,partials
            
def trim(line):
        if line[0] == ' ':
            if line[len(line)-1] == ' ':
                return line[1:len(line)-2]
            else:
                return line[1:]

        if line[1:len(line)-1] == ' ':
            return line[:len(line)-2]
        
        return line

ifile = open("details.txt" , "r")
ofile = open("results.txt" , "w")
for line in ifile:
        if line == '\n': continue
        c,w,p = parseDetail(line)
        output = "| "+str(c) + " | " + str(p) + " | " + str(w) + " | =" + trim(line) +"= |"+"\n"
        ofile.write(output)
        print output

ifile.close()
ofile.close()