student-examination-portal-python-project/student.py at main · Ramben0909/student-examination-portal-python-project · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
import csv
import re
import matplotlib.pyplot as plt
import numpy as np
def new_student(student_id,name,class_roll_no,batch_id):
    student_list=[]
    student_file=open("Student Data.csv",'r')
    student_reader=csv.reader(student_file)
    for row in student_reader:
        student_list.append(row)
    student_file.close()
    l=[student_id,name,class_roll_no,batch_id]
    student_list.append(l)
    student_file=open("Student Data.csv",'w',newline='')
    csvwriter=csv.writer(student_file)
    csvwriter.writerows(student_list)
    student_file.close()
    print("New Student added!")
def update_student(student_id,name,class_roll_no,batch_id):
    student_list=[]
    student_file=open("Student Data.csv",'r')
    student_reader=csv.reader(student_file)
    for row in student_reader:
        student_list.append(row)
    student_file.close()
    length=len(student_list)
    k=0
    for i in range(length):
        if(student_list[i][0]==student_id):
            student_list[i]=[student_id,name,class_roll_no,batch_id]
            student_file=open("Student Data.csv",'w',newline='')
            csvwriter=csv.writer(student_file)
            csvwriter.writerows(student_list)
            student_file.close()
            k=1
            print("Student details updated!")
    if(k==0):
        print("Student Not Found!")
def remove_student(student_id,name,class_roll_no,batch_id):
    student_list=[]
    student_file=open("Student Data.csv",'r')
    student_reader=csv.reader(student_file)
    for row in student_reader:
        student_list.append(row)
    student_file.close()
    n=len(student_list)
    k=0
    for i in range(n):
        if(student_list[i][0]==student_id):
            student_list.remove([student_id,name,class_roll_no,batch_id])
            k=1
            print("Student removed!")
            break
    if(k==0):
        print("Student Not Found!")
    else:
        student_file=open("Student Data.csv",'w',newline='')
        csvwriter=csv.writer(student_file)
        csvwriter.writerows(student_list)
        student_file.close()
def result_student(student_id,name,class_roll_no,batch_id):
    student_list=[]
    student_file=open("Student Data.csv",'r')
    student_reader=csv.reader(student_file)
    for row in student_reader:
        student_list.append(row)
    student_file.close()
    n=len(student_list)
    k=0
    for i in range(n):
        if(student_list[i][0]==student_id):
            k=1
            batch_id=student_list[i][3]
            name=student_list[i][1]
            class_roll_no=student_list[i][2]
            break
    if(k==1):
        batch_list=[]
        batch_file=open("Batch Data.csv",'r')
        batch_reader=csv.reader(batch_file)
        for row in batch_reader:
            batch_list.append(row)
        batch_file.close()
        length1=len(batch_list)
        course_list=[]
        course_file=open("Course Data.csv",'r')
        course_reader=csv.reader(course_file)
        for row in course_reader:
            course_list.append(row)
        course_file.close()
        result_file=open(student_id+'_result.txt','w')
        totmarks=0
        for i in range(length1):
            if(batch_list[i][0]==batch_id):
                result_file.write("Student ID: "+student_id+"\tName: "+name+"\tClass Roll Number: "+class_roll_no+"\tBatch name: "+batch_list[i][1]+"\n")
                result_file.write("COURSE ID\tCOURSE NAME\t\t\tGRADES\n\n")
                crse_liststr=batch_list[i][3]
                crse_list=re.split(':',crse_liststr)
                length2=len(crse_list)
                length3=len(course_list)
                for j in range(length2):
                    for m in range(length3):
                        if(crse_list[j]==course_list[m][0]):
                            stdid_marksstr=course_list[m][2]
                            stdid_markslist=re.split(':|-',stdid_marksstr)
                            length4=len(stdid_markslist)
                            marks=0
                            for n in range(length4):
                                if(stdid_markslist[n]==student_id):
                                    marks=int(stdid_markslist[n+1])
                                    break
                            if(marks>=90):
                                grade='A'
                            elif((marks>=80)and(marks<90)):
                                grade='B'
                            elif((marks>=70)and(marks<80)):
                                grade='C'
                            elif((marks>=60)and(marks<70)):
                                grade='D'
                            elif((marks>=40)and(marks<60)):
                                grade='E'
                            elif(marks<40):
                                grade='F'
                            result_file.write(course_list[m][0]+"\t\t"+course_list[m][1]+"\t\t\t"+grade+"\n")
                            totmarks=totmarks+marks
                result_file.write("\n")
                percentage=totmarks/length2
                result_file.write("PERCENTAGE: "+str(percentage)+"%\n")
                if(percentage>40):
                    result_file.write("PASS STATUS: PASSED")
                else:
                    result_file.write("PASS STATUS: FAILED")
        result_file.close()
        print("Result generated with the name: ",(student_id+'_result.txt'))
    else:
        print("Incorrect details!")