Question

I am having trouble with my Python code in this dictionary and pickle program. Here is my code but it is not running as i am receiving synthax error on the second line.

class Student:
def__init__(self,id,name,midterm,final):
self.id=id
self.name=name
self.midterm=midterm
self.final=final
def calculate_grade(self):
self.avg=(self.midterm+self.final)/2
if self.avg>=60 and self.avg<=80:
self.g='A'
elif self.avg>80 and self.avg<=100:
self.g='A+'
elif self.avg<60 and self.avg>=40:
self.g='B'
else:
self.g='C'
def getdata(self):
return self.id,self.name.self.midterm,self.final,self.g

CIT101 = {}

CIT101["123"] = Student("123", "smith, john", 78, 86)
CIT101["124"] = Student("124", "tom, alter", 50, 76)
CIT101["125"] = Student("125", "smith, john", 48, 46)
CIT101["126"] = Student("126", "smith, john", 35, 38)
print(CIT101)
ans='y'
while ans=='y':
print(" 1. Display All Student data")
print(" 2. Add new student")
print(" 3. Details of particular student")
print(" 4. Drop the particular student")
print(" 5. Pickle")
ch=int(input("enter your choice"))
if ch==1:
for k in CIT101.keys():
CIT101[k].calculate_grade()
print(CIT101[k].getdata())
elif ch==2:
i=input("Enter id")
n=input("Enter first name and last name seperated by space")
n=n.split()
n=n[0]+","+n[1]
m=int(input("Enter midterm score"))
f=int(input("Enter final score"))
CIT101[i]=Student(i,n,m,f)
elif ch==3:
i=input("Enter student id")
if i in CIT101.keys():
CIT101[i].calculate_grade()
print(CIT101[i].getdata())
elif ch==4:
i=input("Enter student id")
if i in CIT101.keys():
del CIT101[i]
elif ch==5:
import pickle
f = open("e:\\myfile.pkl","wb")
pickle.dump(CIT101,f)
f.close()
else:
print("Invalid choice")
ans=input("Do you want to continue..(y/n)")

import pickle
myfile = open('e:\\myfile.pkl', 'rb')
mydata = pickle.load(myfile)
myfile.close()
print('Showing the pickled data:')
c = 0
for item in mydata:
print('The data ', c, ' is : ', item,mydata[item].name)
c +=1


class Student: def init (self,id,name,midterm, final) : self. id=id self.name-name self.midterm-midterm self.final-final def calculate_grade (self): self.avg (self.midterm+self.final)/2 if self.avg>-60 and self.avg<-80: elif self.avg>80 and self.avg(#100: elif self.avg< 60 and self.avg>=40: self.gA self.g 'A+ self.gB' self.gC else: def getdata (self): return self. id, self. name. self. midterm, self. final, self. g CIT101-h CIT101 ["123"]Student ("123", "smith, john", 78, 86) CIT101 [ "124"] = Student ("124", "ton, alter", 50, 76) CIT101 ["125"]Student ("125", "smith, john", 48, 46) CIT101 ["126"]Student ("126", "smith, john", 35, 38) print (CIT101) ans-y while ans--'y': print(" 1. Display All Student data") print ("2. Add new student") print(" 3. Details of particular student") print("4. Drop the particular student") print (" 5. Pickle") ch-int (input ("enter your choice") for k in CIT101.keys ): CIT101 [k].calculate grade () print (CIT101 [k].getdata)) elif ch2: i-input ("Enter id") n-input ("Enter first name and last name seperated by space" n-n.split () IT, +n m-int (input ("Enter midterm score")) f-int (input ("Enter final score")) CIT101 [i] Student (i,n,m,f) elif ch=-3 : i-input ("Enter student id") if i in CIT1O1.keys ) CIT101 [i].calculate grade () print (CIT101 [i].getdata)) elif ch 4: i-input ("Enter student id") if i in CIT1O1.keys ) del CIT101 [il elif ch- 5. import pickle f = open ("e:\\myfile.pk1","wb") pickle. dump (CIT101, f) f.close () else:

Answer 1

Here you are getting a Syntax error on line because you didn't keep space after def.So it does not read def.SO we always have a keep a space after DEF.

so here is the corrected line of the code

def __init__(self,id,name,midterm, final): lf,id, name, midterm, final):

Just keep a space after def