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Actually this python script is a forked one from activestate code by abhijeeth vaidya.A slightly edited version of the script to calculate Gpa and Cgpa for Anna university Students.

Gpa and Cgpa Calculator

Gpa is Grade point average, which is use to determine the student academic pointer based on the value of the grade he/she acquired in single semester, where as cgpa is cumlative grade point average is to calculate the total credits and total grade acquired in his/her entire academics. Here i have determined to use grade scale of two values 5.0 and 10.0, many other academics may have different grading system.For a different grades and their grade values, You can change the value in method called getGradeData.For any bug report

Python, 117 lines
 ``` 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117``` ``` class gpa_cgpa(object): arg1 = None arg2 = None subdata = None credits = None init_course = 0 init_credit =0 total_credit =0 temp = 0 def getcourse(self): self.arg1 = input("No of course you have registered:") pass def getsubjectdata(self): self.subdata = raw_input("Enter the grade:") pass def getgradedata(self): grade = {'s':10,'a':9,'b':8,'c':7,'d':6,'e':5,'u':0,'i':0} x=grade[self.subdata] return x def getcredit(self): self.credits = input("Enter the credit for a subject :") pass def gpa(self): print "calculate GPA :" sem = raw_input("Enter the semester : ") self.getcourse() if self.arg1 >=2: self.calculateGpa() else: print " In order to calculate Gpa you should have atleast 2 subjects minimum" pass def calculateGpa(self): while self.init_course!=self.arg1: self.init_course=self.init_course+1 self.getcredit() self.init_credit = self.credits self.getsubjectdata() self.temp = self.init_credit*self.getgradedata()+self.temp self.total_credit=self.total_credit+self.init_credit gpa = round((self.temp+0)/(self.total_credit+.0),2) print "you have registered for total credits:"+" "+str(self.total_credit)+" "+"and you have acquired GPA:\""+str(gpa)+"\"" pass def cgpa(self): print "Calculate your cgpa : " semester = input("Enter how many semester cgpa has to be found of :") counter =0 tempinit = 0 temptotalcredit =0 while counter!=semester: counter = counter+1 print "Please enter the details of the semester"+" "+str(counter) self.getcourse() self.calculateGpa() tempinit = self.temp+tempinit temptotalcredit = temptotalcredit + self.total_credit # re-assigning self.arg1=0 self.initCourse =0 self.temp=0 self.total_credits=0 print "\n" cgpa = round((tempinit+.0)/(temptotalcredit+.0),2) print "you have registered for total credits:"+" "+str(temptotalcredit)+" "+"and you have acquired CGPA:\""+str(cgpa)+"\" " pass if __name__ == '__main__': # main method #how to calculate it Init = gpa_cgpa() # Creating Instance # for calculation of Cgpa (cumulative grade point average) Init.cgpa() # In Order to calculate Gpa for single semester #Init.gpa() Calculate your cgpa: Enter how many semester cgpa has to be found of: 2 Please enter the details of the semester 1 No of course you have registered: 2 Enter the credits for a subject:4 Enter the grade: a Enter the credits for a subject:4 Enter the grade: c you have registered for total credits: 8 and you have acquired GPA:"8.0" Please enter the details of the semester 2 No of course you have registered: 3 Enter the credits for a subject:4 Enter the grade: b Enter the credits for a subject:5 Enter the grade: a Enter the credits for a subject:3 Enter the grade: c you have registered for total credits: 12 and you have acquired GPA:"8.17" you have registered for total credits: 20 and you have acquired CGPA:"8.1" """ ```
 Created by Emil george james on Fri, 31 Jul 2015 (MIT)