Class 12 Computer Science Project File 2023 | Student Data management class 12 Project
Download Project Code [Copy code to python file]
Class 12 Computer Science Practical File
import os
import csv
def addrecord():
print("Add a new Record")
print("================")
f=open('students.csv','a')
s=csv.writer(f)
rollno=int(input('Enter rollno='))
name=input('Enter name=')
marks=float(input('Enter marks='))
rec=[rollno,name,marks]
s.writerow(rec)
f.close()
print("Record Saved")
input("Press any key to continue..")
def modifyrecord():
print("Modify a Record")
print("================")
f=open('students.csv','r',newline='\r\n')
f1=open('temp.csv','w',newline='\r\n')
f1=open('temp.csv','a',newline='\r\n')
r=input('Enter rollno you want to modify')
s=csv.reader(f)
s1=csv.writer(f1)
for rec in s:
if rec[0]==r:
print("Rollno=",rec[0])
print("Name=",rec[1])
print("Marks=",rec[2])
choice=input("Do you want to modify this record(y/n)")
if choice=='y' or choice=='Y':
rollno=int(input('Enter New rollno='))
name=input('Enter new name=')
marks=float(input('Enter new marks='))
rec[0]=rollno
rec[1]=name
rec[2]=marks
rec=[rollno,name,marks]
s1.writerow(rec)
print("Record Modified")
else:
s1.writerow(rec)
else:
s1.writerow(rec)
f.close()
f1.close()
os.remove("students.csv")
os.rename("temp.csv","students.csv")
input("Press any key to continue..")
def deleterecord():
print("Delete a Record")
print("================")
f=open('students.csv','r',newline='\r\n')
f1=open('temp.csv','w',newline='\r\n')
f1=open('temp.csv','a',newline='\r\n')
r=input('Enter rollno you want to delete')
s=csv.reader(f)
s1=csv.writer(f1)
for rec in s:
if rec[0]==r:
print("Rollno=",rec[0])
print("Name=",rec[1])
print("Marks=",rec[2])
choice=input("Do you want to delete this record(y/n)")
if choice=='y' or choice=='Y':
pass
print("Record Deleted")
else:
s1.writerow(rec)
else:
s1.writerow(rec)
f.close()
f1.close()
os.remove("students.csv")
os.rename("temp.csv","students.csv")
input("Press any key to continue..")
def viewall():
print("List of All Records")
print("===================")
f=open('students.csv','r',newline='\r\n') #Remove new line character from output
s=csv.reader(f)
i=1
for rec in s:
print(rec[0],end="\t\t")
print(rec[1],end="\t\t")
print(rec[2])
i+=1
f.close()
input("Press any key to continue..")
def search():
print("Search a Record")
print("===================")
f=open('students.csv','r',newline='\r\n') #Remove new line character from output
r=input('Enter rollno you want to search')
s=csv.reader(f)
for rec in s:
if rec[0]==r:
print("Rollno=",rec[0])
print("Name=",rec[1])
print("Marks=",rec[2])
f.close()
input("Press any key to continue..")
def mainmenu():
choice=0
while choice!=6:
print("\n")
print("Main Menu")
print("==========")
print("1. Add a new Record")
print("2. Modify Existing Record")
print("3. Delete Existing Record")
print("4. Search a Record")
print("5. List all Records")
print("6.Exit")
choice=int(input('Enter your choice'))
if choice==1:
addrecord()
elif choice==2:
modifyrecord()
elif choice==3:
deleterecord()
elif choice==4:
search()
elif choice==5:
viewall()
elif choice==6:
print("Software Terminated")
break
mainmenu()
Download Project Code [Copy code to python file]
Class 12 Computer Science Practical File
