Write a program to input roll number and marks of maths and computer with the help
of dictionary for n number of students and then calculate total marks of each student in python.
Answers
Input
print("-----Program for Student Information-----")
D = dict()
n = int(input('How many student record you want to store?? '))
# Add student information
# to the dictionary
for i in range(0,n):
x, y = input("Enter the complete name (First and last name) of student: ").split()
z = input("Enter contact number: ")
m = input('Enter Marks: ')
D[x, y] = (z, m)
# define a function for shorting
# names based on first name
def sort():
ls = list()
# fetch key and value using
# items() method
for sname,details in D.items():
# store key parts as an tuple
tup = (sname[0],sname[1])
# add tuple to the list
ls.append(tup)
# sort the final list of tuples
ls = sorted(ls)
for i in ls:
# print first name and second name
print(i[0],i[1])
return
# define a function for
# finding the minimum marks
# in stored data
def minmarks():
ls = list()
# fetch key and value using
# items() methods
for sname,details in D.items():
# add details second element
# (marks) to the list
ls.append(details[1])
# sort the list elemnts
ls = sorted(ls)
print("Minimum marks: ", min(ls))
return
# define a function for searching
# student contact number
def searchdetail(fname):
ls = list()
for sname,details in D.items():
tup=(sname,details)
ls.append(tup)
for i in ls:
if i[0][0] == fname:
print(i[1][0])
return
# define a funtion for
# asking the options
def option():
choice = int(input('Enter the operation detail: \n \
1: Sorting using first name \n \
2: Finding Minimum marks \n \
3: Search contact number using first name: \n \
4: Exit\n \
Option: '))
if choice == 1:
# finction call
sort()
print('Want to perform some other operation??? Y or N: ')
inp = input()
if inp == 'Y':
option()
# exit finction call
exit()
elif choice == 2:
minmarks()
print('Want to perform some other operation??? Y or N: ')
inp = input()
if inp == 'Y':
option()
exit()
elif choice == 3:
first = input('Enter first name of student: ')
searchdetail(first)
print('Want to perform some other operation??? Y or N: ')
inp = input()
if inp == 'Y':
option()
exit()
else:
print('Thanks you for trying me! Goodbye!')
exit()
option()
Output:
-----Program for Student Information-----
How many student record you want to store?? 3
Enter the complete name (First and last name) of student: shubham shukla
Enter contact number: 1234567890
Enter Marks: 85
Enter the complete name (First and last name) of student: rinki singh
Enter contact number: 0987654321
Enter Marks: 50
Enter the complete name (First and last name) of student: abhishek sharma
Enter contact number: 5432167890
Enter Marks: 65
Enter the operation detail:
1: Sorting using first name
2: Finding Minimum marks
3: Search contact number using first name:
4: Exit
Option: 1
abhishek sharma
rinki singh
shubham shukla
Want to perform some other operation??? Y or N:
Y
Enter the operation detail:
1: Sorting using first name
2: Finding Minimum marks
3: Search contact number using first name:
4: Exit
Option: 2
Minimum marks: 50
Want to perform some other operation??? Y or N:
Y
Enter the operation detail:
1: Sorting using first name
2: Finding Minimum marks
3: Search contact number using first name:
4: Exit
Option: 3
Enter first name of student: rinki
0987654321
Want to perform some other operation??? Y or N:
N
Explanation:
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