Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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ll Banglalink ? 10:44 PM @ 82% CSE111 Lab Assign... Dictionary & Tuple 1. Write a Python program to combine two dictionaries into one by adding values for common keys. Input contains two comma separated dictionaries. Print the new dictionary and create a tuple which contains unique values in sorted order. Sample Input а: 100, b: 100, с: 200, d: 300 а: 300, b: 200, d: 400, e: 200 Sample Output {'a': 400, 'b': 300, 'c': 200,'d': 700, 'e': 200} Values: (200, 300, 400, 700) 2. Write a python program which prints the frequency of the numbers that were given as input by the user. Stop taking input when you find the string "STOP". Do not print the frequency of numbers that were not given as input. Use a dictionary to solve the problem Sample Input Sample Output 10 - 2 times 10 20 20 - 2 times 20 30 - 1 times 30 50 - 1 times 10 90 - 1 times 50 90 STOP 3. Write python code to invert a dictionary. It should print a dictionary where the keys are values from the input dictionary and the values are lists of keys from the input dictionary having the same value. Make sure the program handles multiple same values. Sample Input
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Transcribed Image Text:ll Banglalink ? 10:44 PM @ 82% CSE111 Lab Assign... Dictionary & Tuple 1. Write a Python program to combine two dictionaries into one by adding values for common keys. Input contains two comma separated dictionaries. Print the new dictionary and create a tuple which contains unique values in sorted order. Sample Input а: 100, b: 100, с: 200, d: 300 а: 300, b: 200, d: 400, e: 200 Sample Output {'a': 400, 'b': 300, 'c': 200,'d': 700, 'e': 200} Values: (200, 300, 400, 700) 2. Write a python program which prints the frequency of the numbers that were given as input by the user. Stop taking input when you find the string "STOP". Do not print the frequency of numbers that were not given as input. Use a dictionary to solve the problem Sample Input Sample Output 10 - 2 times 10 20 20 - 2 times 20 30 - 1 times 30 50 - 1 times 10 90 - 1 times 50 90 STOP 3. Write python code to invert a dictionary. It should print a dictionary where the keys are values from the input dictionary and the values are lists of keys from the input dictionary having the same value. Make sure the program handles multiple same values. Sample Input
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