Project of computer science . python library management system

1. Jawahar NavodayaVidyalaya
Rakh Jaganoo Udhampur , J&K
TERM -2
PROJECT WORK
COMPUTER SCIENCE (083)
SESSION 2021-22
NAME: BARUN ATRI
CLASS: 12TH SCIENCE
ROLL NO: 27
SUBJECT IN-CHARGE: MS. SHRADHA (PGT-CS)

2. Python Source Code For Project
Library Management System
import mysql.connector as a
con=a.connect(host="localhost",user="root",password="library123",dat
abase="Library")
def addbook():
bn=input("Enter Book Name:")
c=input("Enter Book Code:")
t=input("Total Books:")
s=input("Enter Subject:")
data=(bn,c,t,s)
sql='insert into books values(%s,%s,%s,%s)'
c=con.cursor()
c.execute(sql,data)
con.commit()
print(">---------------------------------------------------<")
print("Data Entered Successfully")
main()
def issuebook():

3. n=input("Enter Name:")
r=input("Enter Reg No.:")
co=input("Enter Book Code:")
d=input("Enter Date:")
a="insert into issue values(%s,%s,%s,%s)"
data=(n,r,co,d)
c=con.cursor()
c.execute(a,data)
con.commit()
print(">---------------------------------------------------<")
print("Book issued to:",n)
bookup(co,-1)
def submitbook():
n=input("Enter Name:")
r=input("Enter Reg No.:")
co=input("Enter Book Code:")
d=input("Enter Date:")
a="insert into submit values(%s,%s,%s,%s)"
data=(n,r,co,d)
c=con.cursor()
c.execute(a,data)

4. con.commit()
print(">---------------------------------------------------<")
print("Book Submitted from:",n)
bookup(co,1)
def bookup(co,u):
a="Select TOTAL from books where BookCode=%s"
data=(co,)
c=con.cursor()
c.execute(a,data)
myresult=c.fetchone()
t=myresult[0]+u
sql="Update books set TOTAL=%s where BookCode=%s"
d=(t,co)
c.execute(sql,d)
con.commit()
main()
def deletebook():
ac=input("Enter Book Code:")
a="delete from books where BookCode=%s"
data=(ac,)

5. c=con.cursor()
c.execute(a,data)
con.commit()
main()
def displaybook():
a="select*from books"
c=con.cursor()
c.execute(a)
myresult=c.fetchall()
for i in myresult:
print("Book Name:",i[0])
print("Book Code:",i[1])
print("Total :",i[2])
print("Subject:",i[3])
print(">---------------------------------------------------<")
main()
def main():
print("""
LIBRARY MANAGER
1.ADD BOOK
2.ISSUE BOOK

6. 3.SUBMIT BOOK
4.DELETE BOOK
5.DISPLAY BOOK
0.EXIT
""")
choice=input("Enter Task No : ")
print(">---------------------------------------------------<")
if(choice=='1'):
addbook()
elif(choice=='2'):
issuebook()
elif(choice=='3'):
submitbook()
elif(choice=='4'):
deletebook()
elif(choice=='5'):
displaybook()
elif(choice=='0'):
con.close()
print("## Bye!! # #")
else:
print("Wrong choice........")

7. main()
def password():
ps=input("Enter Password:")
if ps== "library123":
main()
else:
print("------- WRONG PASSWORD ---------")
password()
password()
My SQL source code
create database Library;
use Library;
create table Books(BookName varchar(50),BookCode varchar(10),Total
int,Subject varchar(50));
create table Issue(Name varchar(50),RegistrationNo
varchar(10),BookCode int,Issue varchar(50));
create table Submit(Name varchar(50), RegistrationNo
varchar(10),BookCode int, Submit varchar(50));