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Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Write a function to swap a number in place (that is, without temporary variables)
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- [Python] Write a function called “add_spaces” that takes in an argument called “initial_string”. initial_string will always be a non empty string. The function should return the same string but with an added space in between all of the letters. If there are already spaces in the initial_string passed in, you should not add an extra space in between those spaces.arrow_forwardPython Suppose scDict maps names to test scores. Print each name/score on a separate line Write a function calcStats that calculates and RETURNS the average, highest, and lowest of the scores. The function should NOT print anything. Ex: scDict ={“Joe”:70, “Bob”:90, “Sue”: 95} Output: Joe 70Bob 90Sue 95Average: 85High Score: 95Low Score: 703. Ask the user to enter a name and a score, and put that entry into the scDict. Ask the user to enter a name to delete and remove that entry Check to see if the dictionary contains a key “Mary” and print “YES” if it does. 6. Print the dictionary, sorted by namearrow_forwardPython (this is not graded this is practice work that is not graded) write and test a function which takes two dates (month, day) list arguments.When the function is called with the two arguments, it returns the number of days betweenthose two dates. Print the returned value. It is assumed that the first date occurs first. Forinstance, if the users calls the function with FUNCTION([12, 10], [12, 20]) as arguments, thereturned value is 10 days. However, if FUNCTION([12, 20], [12, 10]) is called, the returnedvalue is -10 days.Assume February has 28 days.Test data: [10, 30], [5, 20] [1, 30], [5, 25] [5, 25], [1, 30] [1, 1], [12, 31]arrow_forward
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