About python and MySQL

1. PRINT(“CLASS : “,I[1])
PRINT (“ROLL NO. : “,I[2])
PRINT (“ADDRESS : “,I[3])
PRINT(“PHONE NO. : “,I[4])
PRINT (“”)
PRINT (“”)
DEF ADDT():
TID=INT(INPUT(“TEACHER ID : “))
N=INPUT (“NAME : “)
S=INT(INPUT(“SALARY : “))
A=INPUT(“ADDRESS : “)
PH= INT(INPUT(“PHONE NO. : “))
DATA= (TID,N,S,A,PH)
SQL=‘INSERT INTO TEACHER VALUES (%S,%S,%S,%S,%S)’
C=CON.CURSOR()
C.EXECUTE(SQL,DATA)
CON.COMMIT()
PRINT(“DATA ENTERED SUCCESSFULLY”)
PRINT (“”)
DEF REMOVET():

2. • #Main Program
•
• import mysql.connector as a
•
• con=a.connect(host=‘localhost’,user=‘root’,passwd=‘root’,
•
• database =‘school’)
•
• def addst ():
•
• n=input(“Student name : “)
•
• cl=input (“Class : “)
•
• r=int(input(“Roll no. : “))
•
• a=input(“Address : “)
•
• ph= int(input(“Phone no. : “))
•
• data= (n,cl,r,a,ph)
•
• sql=‘insert into student values (%s,%s,%s,%s,%s)’
•
• c=con.cursor()
•
• c.execute(sql,data)
•
• con.commit()
•
• print(“data entered successfully”)

3. • Print (“”)
•
• def removest():
•
• cl=input (“class : “)
•
• r=input(“roll no. : “)
•
• data=(cl,r)
•
• sql=‘delete from student where class=%s and roll=%s’
•
• c=con.cursor()
•
• c.execute(sql,data)
•
• con.commit()
•
• print(“data deleted successfully”)
•
• print (“”)
•
• def displayst():
•
• cl=input(“class : “)
•
• data=(cl,)
•
• sql=‘select * from student where class=%s’
•
• c=con.cursor()
•
• c.execute(sql,data)
•
• d=c.fetchall()
•
• for I in d :
•
• print (“Name : “, i[0])

4. PRINT (“”)
DEF REMOVEST():
CL=INPUT (“CLASS : “)
R=INPUT(“ROLL NO. : “)
DATA=(CL,R)
SQL=‘DELETE FROM STUDENT WHERE CLASS=%S AND ROLL=%S’
C=CON.CURSOR()
C.EXECUTE(SQL,DATA)
CON.COMMIT()
PRINT(“DATA DELETED SUCCESSFULLY”)
PRINT (“”)
DEF DISPLAYST():
CL=INPUT(“CLASS : “)
DATA=(CL,)
SQL=‘SELECT * FROM STUDENT WHERE CLASS=%S’
C=CON.CURSOR()
C.EXECUTE(SQL,DATA)
D=C.FETCHALL()
FOR I IN D :
PRINT (“NAME : “, I[0])