def add(n):
f=open('result.txt','a')
x=n.split('#')
for i in range(len(x)):
f.write(x[i])
if i==9:
f.write('$')
else:
f.write('@')
f.close()
def srch(a):
f=open('result.txt')
fr=f.read()
fr=fr.split('$')
c=0
x=''
for i in range(0,len(fr)-1):
fr[i]=fr[i].split('@')
for i in range(0,len(fr)-1):
if int(fr[i][1])==a:
x=fr[i]
c=1
f.close()
return [c,x]
def edit(n,a,b):
f=open('result.txt')
fr=f.read()
f.close()
fn=open('result.txt','w')
t=0
fr=fr.split('$')
for i in range(len(fr)-1):
fr[i]=fr[i].split('@')
for i in range(len(fr)-1):
if int(fr[i][1])==a:
fr[i][n]=str(b)
t=1
for j in range(len(fr[i])):
fn.write(fr[i][j])
if j==len(fr[i])-1:
fn.write('$')
else:
fn.write('@')
fn.close()
return t
def disp():
f=open('result.txt')
fr=f.read()
fr=fr.split('$')
l=[]
m=[]
for i in range(0,len(fr)-1):
fr[i]=fr[i].split('@')
l.append([i,float(fr[i][9])])
m.append(float(fr[i][9]))
m.sort()
i=j=0
x=len(l)
r=[]
while len(l)>0 and j<x:
if i==len(l):
i=0
if l[i][1]==m[j]:
r.append(fr[l[i][0]])
j+=1
i+=1
f.close()
return r
def dell(a):
f=open('result.txt')
fr=f.read()
f.close()
fn=open('result.txt','w')
t=0
fr=fr.split('$')
for i in range(len(fr)-1):
fr[i]=fr[i].split('@')
for i in range(len(fr)-1):
if int(fr[i][1])==a:
fr.pop(i)
t=1
for j in range(len(fr[i])):
fn.write(fr[i][j])
if j==9:
fn.write('$')
else:
fn.write('@')
fn.close()
return t
while True:
print("""Choose the operation to perform:
[1]. Add a record
[2]. Search a record
[3]. Display data
[4]. Edit a record
[5]. Delete a record
[6]. Exit""")
o=int(input("Enter the operation number to perform = "))
if o==6:
print("Would you like to share feedback?")
s=input("y/n ? = ")
if s.lower()=='y':
f=open("feedback250524","a")
d=input("Enter your feedback : ")
f.write(d)
print("Thank you, your feedback is very valuable.")
f.close()
else:
break
elif o==1:
sn=input("Enter Student name = ")
fn=input("Enter Father name = ")
mn=input("Enter Mother name = ")
r=int(input("Enter Roll no. ="))
s1=int(input("Enter marks of first subject = "))
s2=int(input("Enter marks of second subject = "))
s3=int(input("Enter marks of third subject = "))
s4=int(input("Enter marks of fourth subject = "))
s5=int(input("Enter marks of fifth subject = "))
t=(s1+s2+s3+s4+s5)/5
if 33<t<=100:
p='PASS'
else:
p='FAIL'
if 90<t<=100:
r='A1'
elif 80<t<=90:
r='A2'
elif 70<t<=80:
r='B1'
elif 60<t<=70:
r='B2'
elif 50<t<=60:
r='C1'
elif 40<t<=50:
r='C2'
elif 30<t<=40:
r='D1'
elif 20<t<=30:
r='D2'
else:
r='E'
n=sn+'#'+str(r)+'#'+fn+'#'+mn+'#'+str(s1)+'#'+str(s2)+'#'+str(s3)+'#'+str(s4)+'#'+str(s5)+'#'+str(t)+'#'+r+'#'+p
add(n)
print("RECORD ADDED")
elif o==2:
r=int(input("Enter Roll no. = "))
c=srch(r)
if c[0]==1:
if len(c[1])>=1:
print("──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────")
print("Student Name\tRoll no.\tFather name\tMother name\tSub1\tSub2\tSub3\tSub4\tSub5\tPercentage\tGrade")
print(c[1][0],'\t',c[1][1],'\t\t',c[1][2],'\t',c[1][3],'\t',c[1][4],'\t',c[1][5],'\t',c[1][6],'\t',c[1][7],'\t',c[1][8],'\t',c[1][9],'\t\t',c[1][10],'\t',c[1][11])
print("──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────")
else:
print("No data available")
else:
print("Data not found")
elif o==3:
z=disp()
print("──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────")
print("Student Name\tRoll no.\tFather name\tMother name\tSub1\tSub2\tSub3\tSub4\tSub5\tPercentage\tGrade")
for i in range(0,len(z)):
print(z[i][0],'\t',z[i][1],'\t\t',z[i][2],'\t',z[i][3],'\t',z[i][4],'\t',z[i][5],'\t',z[i][6],'\t',z[i][7],'\t',z[i][8],'\t',z[i][9],'\t\t',z[i][10],'\t',z[i][11])
print("──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────")
elif o==4:
a=input("Enter roll no. = ")
print("""What do you want to modify:
[1]. Student name
[2]. Roll no.
[3]. Father name
[4]. Mother name
[5]. Subject 1
[6]. Subject 2
[7]. Subject 3
[8]. Subject 4
[9]. Subject 5
[10].Exit""")
n=int(input("Enter the data number = "))
if n==1 or n==3 or n==4:
b=int("Enter element = ")
elif n==10:
break
else:
b=int(input("Enter element = "))
c=edit(n-1,a,b)
if c==1:
print("Record updated")
else:
print("Record Does not exist")
elif o==5:
a=input("Enter Roll no. = ")
c=dell(a)
if c==1:
print("Record Deleted")
else:
print("Record Does not exist")
print("""---------Thank You for accesing the program--------""")