Question paper

List Questions

1. what is the output of the code?

            list1 = [12, 32, 65, 26, 80, 10]

            list1.sort()

            print(list1)

2.         list1 = [12, 32, 65, 26, 80, 10]

            sorted(list1)

            print(list1)

3.         list1=[1,2,3,4,5]

            print(list1[len(list1)-1)

4. Consider the following list myList. What will be the elements of myList after the following two operations :

            myList=[10,20,30,40]

i.          myList.append([50,60])

            print(myList)

ii.         myList.extend([80,90])

            print(myList)

5. Difference between append() and extend() functions of list?

6. The record of a student(Name,Roll_No, Marks in five subjects and percentage of marks) is stored in the following list:

stRecord = [‘Raman’ , ‘A-36’ , [56,98,99,72,69] , 78.8]

Write python statements to retrieve the following information from the list stRecord.

a) percentage of the student

b) marks in the fifth subject

c) maximum marks of the student

d)Roll_no of the student

e) Change the name of the student from ‘Raman’ to ‘Raghav’

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Dictionary Questions

 1. What is Python Dictionary and its characteristics of python Dictionary?

2. Give example code for traversing a Dictionary?

3. How to append value and change the existing value in python Dictionary?

4. Write the output of the following:

            m = {1 : “Jan”, 2 : ‘Jun’, 3 : ‘Aug’}

            print(m[1])

            print(m[“jan”])

5. Write a program in python to display the maximum and minimum value in dictionary.    

            d1 = {1 : 21, 2 : 90, 3 : 50} 

6. Explain about any 6 methods in dictionary with example code. Below given dictionary for your reference

            A = {1 : "One", 2 : "Two", 3 : "Three"}   

           B = {'A' : "Apple", 'B' : "Bat", 'C' : "Cat", 'D' : "Doll"}

 7. Explain the following in reference to dictionary.

            1. del statement    2. pop() method   3.values()      4.keys()

8. Write the output of the following:

            d={1: ‘Amit’, 2: ‘Sumit’, 5: ‘Kavita’}

            print(len(d))

            print(d.get(2))

            d.pop(5)

9. Write a program to create a dictionary M , which stores the marks of the students of class

with roll numbers as the keys and marks as the values.Get the number of students as input?