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- USE THE SIMPLE PYTHON CODE PLEASE The username code. The company can choose the specific criteria for the username. The criteria is as follows: a minimum length, a minimum number of capital letters, and a minimum number of special characters. Special charters are [$, #, ^, %, . etc]. You will turn in three .py files. The first file called main.py contains your main interface. The second file called functions.py contains all the functions your main code. The third file called parameters.py contains the parameters of the code: the special character list, the minimum length, the minimum number of special characters, the minimum number of capital letters, and the number of tries the user gets to input user name. Your code operates as follows. Display the criteria for the username. Prompt the user to input a username. If the username does not meet criteria, tell the user why and re prompt to enter in a username. Repeat until you reach the maximum number of tries allowed.What does the following command do? $ mkdir dir dir/dir_01/dir_02PLZ help with the following: After working with DIR command and its switches, you realize that you always use /O and /P. Windows stores important settings in an area of memory called the Windows environment. The settings in the Windows environment are assigned to environment variables. An environment variable is a symbolic name associated with a specific setting. To assign a setting to an environment variable, use the SET command. Its syntax is SET variable = string , where variable is the name of the environment variable, and string is the setting you want to assign to the variable. SET DIRCMD=/P / O Note that it’s not a space between DIRCMD and the equal sign. You may see the contents of Windows environment, type SET and then press Enter. To remove the DIRCMD variable and its settings from the environment, type SET DIRCMD= and then press Enter. 1.What is the setting of your PATH environment variable ? 2.What is the meaning of this sequence of directories ?
- Given s='<span class="viewcount">/acct /1,696,807 /name/</span>' write a Bash command to extract the numbers without commas. Your command must work for 1 any number of numbers and commas. Answers based on fixed nubmer ofnumbers and com- mas . Write a grep statement to match lines such as below using two backreferences. Mr abc came home to Mrs abc and visit Mr xyz and Mrs xyz to discuss backreferencesn an .sh file, include grep commands to find the following lines. All professors who teach an “Introduction” course. All professors who have an office with a number less than 5 and teach at least 3 classes. All professors who have an office with a number less than 5 or teach at least 3 classes. [Warning: You will probably have to look up some stuff to get this one!] All professors whose emails include their entire last names. this is using shell programming in linuxFill in the blank Q6. ____ Command returns text that matches the string pattern passed to it.
- MCQ A developer added a special function in a .php file that will remove semicolons, dashes, quotes and comma from an input filed that accept a string data type. Which of the following attacks this function will help to stop? a Error handling to protect against website exploitation. b Exception handling to protect against XSRF attack. c Input validation to protect against SQL injection. d Padding to protect against string buffer overflows.Quiz (Select all that apply) Which of the following commands will store the HomeWins and AwayWins for Manchester City and Manchester United from EPL in a numeric array named mw? EPL Team Leicester City Arsenal 12 12 Manchester City 12 Manchester United 12 Newcastle United 7 6 5 U Norwich City Chelsea HomeWins Home Draws AwayWins AwayDraws mw = 6 4 2 5 7 5 9 11 8 7 7 2 3 7 6 7 7 4 3 2 5 EPL (3:4, [24]) mw = EPL {3:4, [24]} mw = EPL (3:4, ["HomeWins" "AwayWins"]) mw = EPL {3:4, ["HomeWins" "AwayWins"]} mw = [EPL. HomeWins(3:4) EPL.AwayWins(3:4)]using terminal vi Lab2_3.sh Write a shell script that takes three parameters (integers) and displays the median number. If the number of parameters is not three, it should display “Just three numbers please”. If there are two numbers with the same value, it should display “Sorry median here does not mean anything” need the codes for running it
- Which of the following is a correct PHP statement used to create an associative array $colors? a. $colors=array('red', 'green', 'blue') b. $colors=array['R'=>'red', 'G'=>'green', 'B'=>'blue'] c. $colors=['R'=>'red', 'G'=>'green', 'B'=>'blue'] d. $colors=['red', 'green', 'blue']What type of names does the following command match? [mam-p@voyager FINAL]$ ls /usr/share/man/man1/*[aeiou]*[aeiou]*[aeiou]*[aeiou]*[aeiou]* Group of answer choices a. names containing at least five lowercase vowels b. names that contain five occurrences of the string "aeiou" c. none of these d. names containing at least five lowercase vowels in alphabetical order e. names containing exactly five lowercase vowelsCreate a menu-driven application to keep track of a list of subscribers to a newsletter.The application should allow the user to add a new subscriber, remove a current subscriber, update a subscriber’s data, and display the current list of subscribers. Each subscriber should be identified by a unique ID assigned by the system.For each subscriber, you need to store first name, last name, and email address.The application must have:• A linked list as the main data structure in the application. You must use the C++ Standard Template Library (STL).• A “subscriber” class that contains data and methods related to each subscriber.