Class 11 CS Chapter 13 Dictionaries Solutions Sumita Arora New Syllabus

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Exercise 11.1

Back Exercise Part A

Back Exercise Part B

Back Exercise Part C

7. Write a program that checks if two same values in a dictionary have different keys. That is, for dictionary D1 = { ‘a’ : 10, ‘b 20, ‘c’ : 10], the program should print “2 keys have same values” and for dictionary D2 = { ‘a’ : 10, ‘b’ : 20, ‘c’ : 30) , the program should print “No keys have same values”.
6. Given two dictionaries say D1 and D2. Write a program that lists the overlapping keys of the two dictionaries, i.e., if a key of D1 is also a key of D2, the list it.
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5. Given the dictionary x = {‘k1’: ‘v1’, ‘k2’: ‘v2’, ‘k3’: ‘v3’}, create a dictionary with the opposite mapping i.e., write a program to create the dictionary as : inverted_x = { ‘ v1’ : ‘ k1’ , ‘ v2 ‘ : ‘ k2 ‘ , ‘ v3 ‘ : ‘ k3 ‘ }
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4. Can you store the details of 10 students in a dictionary at the same time ? Details include – rollno, name marks, grade etc. Give example to support your answer.
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2. Write a program that repeatedly asks the user to enter product names and prices. Store all of these in a dictionary whose keys are the product names and whose values are the prices. When the user is done entering products and prices, allow them to repeatedly enter a product name and print the corresponding price or a message if the product is not in the dictionary.
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3. Create a dictionary whose keys are month names and whose values are the number o f days in the corresponding months.
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1. Repeatedly ask the user to enter a team name and how many games the team has won and how many they lost. Store this information in a dictionary where the keys are the team names and the values are lists of the form [wins, losses].
(a) Using ...
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