Computers and Technology

what is unit testing? group of answer choices individually testing a small part (or unit) of a program, typically a function, using a separate program
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Complete the implementation of the LinkedBST class, in the linkedbst.py file, discussed in this chapter. A main() has been provided in the file testbst.py to test the implementation of the LinkedBST class. You can reference this file to verify the requirements of the LinkedBST class."""File: testbst.pyA tester program for binary search trees."""from linkedbst import LinkedBSTdef main():tree = LinkedBST()print("Adding D B A C F E G")tree.add("D")tree.add("B")tree.add("A")tree.add("C")tree.add("F")tree.add("E")tree.add("G")print("\nExpect True for A in tree: ", "A" in tree)print("\nString:\n" + str(tree))clone = LinkedBST(tree)print("\nClone:\n" + str(clone))print("Expect True for tree == clone: ", tree == clone)print("\nFor loop: ", end="")for item in tree:print(item, end=" ")print("\n\ninorder traversal: ", end="")for item in tree.inorder(): print(item, end = " ")print("\n\npreorder traversal: ", end="")for item in tree.preorder(): print(item, end = " ")print("\n\npostorder traversal: ", end="")for item in tree.postorder(): print(item, end = " ")print("\n\nlevelorder traversal: ", end="")for item in tree.levelorder(): print(item, end = " ")print("\n\nRemoving all items:", end = " ")for item in "ABCDEFG":print(tree.remove(item), end=" ")print("\n\nExpect 0: ", len(tree))tree = LinkedBST(range(1, 16))print("\nAdded 1..15:\n" + str(tree))lyst = list(range(1, 16))import randomrandom.shuffle(lyst)tree = LinkedBST(lyst)print("\nAdded ", lyst, "\n" + str(tree))if __name__ == "__main__":main()Here is the whole code link:https://repl.it/repls/JauntyRecklessProperties#abstractcollection.pydue to restriction, I can't upload whole code here.I got two error:Unit Test Incomplete:postorder() traverses nodes properlyUnit Test Complete:postorder() does not traverse preorderUnit Test ncomplete:postorder() does not traverse in inorderUnit Test Complete:postorder() does not traverse in levelorder
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Kelly is fond of pebbles, during summer, her favorite past-time is to cellect peblles of the same shape and size
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in order to gain access to a private web site, each person must have his or her own 6-digit password, where some digit is used 3 times and the remaining 3 digits are distinct. how many such passwords are there?
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you are given a data.csv file in the /root/customers/ directory containing information about your customers. it has the following columns: id,name,city,country,cperson,emplcnt,contrcnt,contrcost where id: unique id of the customer name: official customer company name city: location city name country: location country name cperson: email of the customer company contact person emplcnt: customer company employees number contrcnt: number of contracts signed with the customer contrcost: total amount of money paid by customer (float in format dollars.cents) read and analyze the data.csv file, and output the answers to these questions: how many total customers are in this data set? how many customers are in each city? how many customers are in each country? which country has the largest number of customers' contracts signed in it? how many contracts does it have?
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How are cell phones beneficial to student learning?
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When using a public wireless network, using vpn software is not advisable as it can reveal your communications to any network eavesdroppers.a. trueb. false
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Listen to the audio clip. Select all the ways in which Chopin conveys a feeling of passion in the conclusion of the Nocturne in E Flat Major.Rapidly increasing the tempo.Playing the melody in octaves.Introducing a sudden crescendo.
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what characteristic of cloud technology helps minimize storage costs by allowing customers a. measured service b. resource pooling c. on-demand self-service d. broad network access
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Firewalls work by closing ____ in your computer.
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Why is anonymization a challenge of cybersecurity?It protects users identity and obscures criminals identity.Users and criminals should never be anonymous.Criminals identity is anonymous, but users are not.Governments do not want anonymization.
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PYTHONSoftware Sales A software company sells a package that retails for $99. Quantity discounts are given according to the following table:QuantityDiscount101910%204920%509930%100 or more40%Write a program that asks the user to enter the number of packages purchased. The program should then display the amount of the discount (if any) and the total amount of the purchase after the discount.
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The information-processing approach to explaining cognitive development compares the brain to a __________; sensory impressions go in and behavior comes out.A. calculatorB. computerC. modemD. telephone
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write a program that simulates the game rock, paper, and scissors. in this game, the player plays against the computer. recall the rules: 1) rock beats scissors, 2) scissors beat paper, and 3) paper beats rock
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directions: the question or incomplete statement below is followed by four suggested answers or completions. select the one that is best in each case. the ticket prices at a movie theater are given below. a table is shown with 2 columns and 4 rows. the first row of the table contains the column headers, from left to right, type of ticket and price in dollars. the table is as follows: regular, 12 child ages 12 and below, 9 senior ages 60 and above, 9 below the table is the text: additional 5 dollar fee for 3 d movies a programmer is creating an algorithm to set the value of one word, ticket price based on the information in the table. the programmer uses the integer variable age for the age of the moviegoer. the boolean variable one word, is 3 d is true when the movie is 3-d and false otherwise. which of the following code segments correctly sets the value of one word, ticket price ?
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Write a program which takes a string input, converts it to lowercase, then printsthe same string without the five most common letters in the English alphabet (e, t, a, i o).
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Which action requires an organization to carry out a Privacy Impact Assessment?A. Storing paper-based recordsB. Collecting PII to store in a new information systemC. Collecting any CUI. including but not limited to PIID. Collecting PII to store in a National Security System
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Is malware malicious code?
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true or false: with tcp's flow control mechanism, where the receiver tells the sender how much free buffer space it has (and the sender always limits the amount of outstanding, unacked, in-flight data to less than this amount), it is not possible for the sender to send more data than the receiver has room to buffer.
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Which of the following operating systems require a file extension to execute a program?answer choicesWindowsMAC OSLinuxAndroid
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a programmer is creating an algorithm to display the cost of a ticket based on the information in the table. the programmer uses the integer variable age for the age of the ticket recipient. the boolean variable includestour is true when the ticket is for a guided tour and is false when the ticket is for general admission. which of the following code segments correctly displays the cost of a ticket? responses
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What are the most reliable sources of online information?
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When comparing controller-based networks and traditional networks what are some perceived benefits from a controller-based perspective?
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4.5 code practice PUT IN PYTHON LANGUAGE HELP NEEDED
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