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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

 ``` 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" """ ```