Answer to Question #291330 in Python for Hkjfg

Question

Write a program to take in the roll number, name and percentage of marks for n students of

Class X. Write user defined functions to:

1. accept details of the n students (n is the number of students)

2. search details of a particular student on the basis of roll number and display

result

3. display the result of all the students

4. find the topper amongst them

5. find the subject toppers amongst them

(Hint: use Dictionary, where the key can be roll number and the value is an immutable data

type containing name and percentage)

Answer 1

# Python 3.9.5

def stud_details(r_num, name, p_mark, stud_dict):
    stud_dict[r_num] = {}
    stud_dict[r_num]['name'] = name
    stud_dict[r_num]['p_mark'] = p_mark
    return stud_dict


def disp_stud_info(r_num, stud_dict):
    print(stud_dict[r_num])


def disp_all_stud_data(stud_dict):
    for i in range(1, len(stud_dict)+1):
        print('Name: ', stud_dict[i]['name'])
        print('Marks: ', stud_dict[i]['p_mark'])


def top_stud(stud_dict):
    top = {'p_mark': 0}
    for i in range(1, len(stud_dict)+1):
        if stud_dict[i]['p_mark'] > top['p_mark']:
            top['name'] = stud_dict[i]['name']
            top['p_mark'] = stud_dict[i]['p_mark']
    return top


def main():
    # stud_dict = {}
    # r_num = 1
    # name = 'John'
    # p_mark = 70
    # stud_dict = stud_details(r_num, name, p_mark, stud_dict)
    stud_dict = {
        1: {'name': 'John', 'p_mark': 70},
        2: {'name': 'Anna', 'p_mark': 80},
        3: {'name': 'Anna', 'p_mark': 60}
    }
    # disp_stud_info(r_num, stud_dict)
    # disp_all_stud_data(stud_dict)
    print(top_stud(stud_dict))
    
    
if __name__ == '__main__':
    main()