Exercise 1 Level 1.py

'''Q. A teacher has given a project assignment to a class of 10 students.

She wants to store the marks (out of 100 ) scored by each student. The marks scored are as mentioned below:
89,78,99,76,77,67,99,98,90

Write a python program to store the marks in a list and perform the following:

    1. The teacher forgot to include the marks of one student. Insert 78 at index position, 8 and display the marks of all 10 students.
    2. The teacher also wants to know the marks scored by students represented by index positions, 5 and 7. Identify and display the two marks.
'''
Code:

#DSA-Exer-1

def update_mark_list(mark_list, new_element, pos):
    mark_list.append(0)
    l=len(mark_list)-1
    for i in range(len(mark_list)-pos-1):
        mark_list[l],mark_list[l-1]=mark_list[l-1],mark_list[l]
        l-=1
    mark_list[pos]=new_element
    return mark_list

def find_mark(mark_list,pos1,pos2):
    lst=[]
    lst.append(mark_list[pos1])
    lst.append(mark_list[pos2])
    return lst

#Provide different values for the variables and test your program
mark_list=[89,78,99,76,77,72,88,99]
new_element=69
pos=2
pos1=5
pos2=8
print(update_mark_list(mark_list, new_element, pos))
print(find_mark(mark_list, pos1, pos2))