I need help on Q3-2 I don't know how to solve it correctly- Q3-1.docx

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I need help on Q3.2 I don't know how to solve it correctly. Q3.1. With 60% of the population vaccinated, what is the initial number of susceptible people, S ( 0 ) ? Click RUN and watch the resulting epidemic. Q3.2. What proportion of susceptibles became sick with smallpox during this epidemic? You have just performed the calculation necessary to provide the first data point in your graph of Cases / S ( 0 ) vs. Proportion Vaccinated, which you will see at the bottom of the panel to the right. Click PLOT to add the point to the graph. .

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import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.util.Scanner; import javax.crypto.Cipher; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; public class encryptFile { // The crypt() function encrypts or decrypts a byte array input, using // an 16-byte initialization vector (init), 16-byte password (pass), // and an integer mode (either Cipher.ENCRYPT_MODE or Cipher.DECRYPT_MODE) public static byte[] crypt(byte[] input, byte[] init, byte[] pass, int mode) { // TODO - Fill this out. } // The cryptFile() function opens a file at a specified string path, // then passes in the init, pass, and mode values to the crypt() function // to either encrypt or decrypt the contents of the file. It then writes // the encrypted or decrypted data back to the file. Note that it should // overwrite the existing file - so don't try it on a file that's actually // worth anything! public static void cryptFile(String path, byte[] init, byte[] pass, int mode) { // TODO - Fill this out. } // The menu() function provides a user interface for the script. It should // prompt the user to enter a file path, 16-byte initialization vector, // 16-byte password, and a mode (encrypt or decrypt). If the password or // initialization vector are too short or too long, the function should // re-prompt the user to re-enter the value. public static void menu() { // TODO - Fill this out. } // Just need to call the menu() function here public static void main(String[] args) { // Tests for crypt(); byte[] plain = "Hello World".getBytes(); byte[] pass = "aaaabbbbccccdddd".getBytes(); byte[] init = "gggggggggggggggg".getBytes(); byte[] cipher = crypt(plain, init, pass, Cipher.ENCRYPT_MODE); byte[] decrypted = crypt(cipher, init, pass, Cipher.DECRYPT_MODE); // This should print "Hello World" System.out.println(new String(decrypted)); // Uncomment below to test menu section once complete //menu(); } } than ideal - you generally want to use standardized implementations of cryptographic functions, as it's much less likely that they'll have internal defects or flaws that pose a security risk. For this lab, we'll use the javax.crypto libraries in Java. These libraries provide access to a number of cryptographically-related functions, including the ability to encrypt in AES and DES. A skeleton file has been provided called encryptFile.java. The crypt() function The first function we'll complete is the crypt() function. This function takes three byte arrays: an input, which is either a ciphertext or plaintext, a init, which is a 16 -byte initialization vector (for Chaining Block Mode), and a pass, which is a 16 -byte key. It also takes a mode, which is an integer. The Cipher module includes the modes declared as final static integers: Cipher.ENCRYPT_MODE Cipher.DECRYPT_MODE Inside the function, the first thing we need to do is pass the initializ.

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I want to make this code in python using tkinter .. Develop a simple Mosques Management System considering the following: A. The system should be developed with a Graphical User Interface using TKinter This is a suggested structure of the interface The interface contains the following elements: - Part 1: input fields to allow the users to enter mosques data as follows: Part 2: A ListBox to display the data records Part 3: selection buttons to allow the user selecting the required operation Part 4: These are for the extra work that can be added (see below) B. It is required to build a class for the mosques and then create a mosque object for each entry C. The system should be connected to a database to contain mosques data in the Mosq table (use sqlite 3 library) Build a class for the database to include the following methods: Use the class to create a new database object and then use its methods for supporting all the operations of the system (displaying all the mosques records, searching for a record of a specific mosque, adding a new record for a mosque, deleting a record of a mosque) There are some extra features that you can incorporate into your system for additional marks: 1. Adding the Update operation: To enable the user to update the Imam_name field in the database. In this case, the user firstly searches for a mosque record by name and then uses the additional 'update' button (part 4) to apply the modification after modifying the field. 2. Adding the Display on Map operation: To enable displaying the location of the mosque on the map. In this case, the user first searches for a mosque record by name and then use the additional 'Display on Map' button (part 4) to display the location on the map using the coordinates information. Hint: use "folium" and "webbrowser" libraries. 3. Enhancing the search operation: In case the user enters a misspelled name, the system can provide the user with the very close matching names in the database. Then the user can select the correct name to search for. Hint: use "difflib" library. .

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