4.15 LAB: Password modifier Many user-created passwords are simple and easy to guess. Write a program that takes a simple password and makes it stronger by replacing characters using the key below, and by appending "q*s" to the end of the input string. i becomes ! a becomes @ m becomes M B becomes 8 o becomes . Ex: If the input is: mypassword the output is: Myp@ssw.rdq*s Hint: Python strings are immutable, but support string concatenation. Store and build the stronger password in the given password variable.
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4.15 LAB: Password modifier
Many user-created passwords are simple and easy to guess. Write a program that takes a simple password and makes it stronger by replacing characters using the key below, and by appending "q*s" to the end of the input string.
- i becomes !
- a becomes @
- m becomes M
- B becomes 8
- o becomes .
Ex: If the input is:
mypasswordthe output is:
Myp@ssw.rdq*sHint: Python strings are immutable, but support string concatenation. Store and build the stronger password in the given password variable.
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- Q_4.*. A phrase is a palindrome if, after converting all uppercase letters into lowercase letters and removing all non-alphanumeric characters, it reads the same forward and backward. Alphanumeric characters include letters and numbers. Given a string s, return true if it is a palindrome, or false otherwise. Example 1: Input: s = "A man, a plan, a canal: Panama" Output: true Explanation: "amanaplanacanalpanama" is a palindrome. Example 2: Input: s = "race a car" Output: false Explanation: "raceacar" is not a palindrome..4.19 C++ Write a program that takes in a line of text as input, and outputs that line of text in reverse. The program repeats, ending when the user enters "Done", "done", or "d" for the line of text. Ex: If the input is: Hello there Hey done then the output is: ereht olleH yeHPython 3.7.4: Assume that C is a variable has been assigned a string value. Write an expression whose value is true if and only if C is what is called a whitespace character. (that is a space or a tab or a newline-- none of which result in ink being printed on paper) When I attempted it myself, MyProgrammingLab said that I "almost certainly should be using or."
- 5.12.2: Switch statement to convert letters to Greek letters. Write a switch statement that checks origLetter. If 'a' or 'A', print "Alpha". If 'b' or 'B', print "Beta". For any other character, print "Unknown". Use fall-through as appropriate. End with newline. import java.util.Scanner; public class ConvertToGreek {public static void main (String [] args) {Scanner scnr = new Scanner(System.in);char origLetter; origLetter = scnr.next().charAt(0); /* Your solution goes here */ }}5.23 In Python: Write a program with total change amount as an integer input that outputs the change using the fewest coins, one coin type per line. The coin types are dollars, quarters, dimes, nickels, and pennies. Use singular and plural coin names as appropriate, like 1 penny vs. 2 pennies. Ex: If the input is: 0 or less, the output is: no change Ex: If the input is: 45 the output is: 1 quarter 2 dimes Your program must define and call the following function. The function exact_change() should return num_dollars, num_quarters, num_dimes, num_nickels, and num_pennies.def exact_change(user_total)C++ 10.19 Given a line of text as input, output the number of characters excluding spaces, periods, exclamation points, or commas. Ex: If the input is: Listen, Mr. Jones, calm down. the output is: 21 Note: Account for all characters that aren't spaces, periods, exclamation points, or commas (Ex: "r", "2", "?"). code provided: #include <iostream>#include <string>using namespace std; int main() { string userText; // Add more variables as needed getline(cin, userText); // Gets entire line, including spaces. /* Type your code here. */ return 0;}
- 0.O.9. Write a Java program to check if a given string is a palindrome or not. A palindrome is a word, phrase, number, or other sequence of characters that reads the same backward as forward, ignoring spaces, punctuation, and capitalization. For example, "racecar" and "Madam" are palindromes, while "hello" and "Java" are not. Your program should take a string as input and return true if it's a palindrome, and false otherwise.. Absolutely.3.27 LAB: Login name Write a program that creates a login name for a user, given the user's first name, last name, and a four-digit integer as input. Output the login name, which is made up of the first six letters of the first name, followed by the first letter of the last name, an underscore (_), and then the last digit of the number (use the % operator). If the first name has less than six letters, then use all letters of the first name. Ex: If the input is: Michael Jordan 1991 the output is: Your login name: MichaeJ_1 Ex: If the input is: Nicole Smith 2024 the output is: Your login name: NicoleS_412. What is the output of the following program? (2, 3, 6, 8) #include #include #include #include using namespace std; int main() { double x, y; string str; x = 9.0; y = 3.2; cout (sqrt(pow (y, 4))) = " (sqrt(pow (y, 4))) << endl; str = "Predefined functions simplify programming code!"; cout << "Length of str = " << str.length() << endl; return 0; }
- 5.17 LAB: Output words in a sentence that are at least 4 characters long The starter code reads in user input (assumed to be one or more sentences), and removes the punctuation. Iterate through the list of words and output the words that are more than 3 characters long. Ex: If the input is: Hello, how are you today? the output is: Hello today #provided code import stringuserInput = input() # this creates a mapping which maps each punctuation character to a null string (None)mapping = str.maketrans('', '', string.punctuation) # this removes puncutation from the stringuserInput = userInput.translate(mapping) print('User input without punctuation:', userInput) # split the string into wordswords = userInput.split()print('User input contains the following words: ')print(words)21.4 LAB: Parsing dates (Use Python) Write a program to read dates from input, one date per line. Each date's format must be as follows: March 1, 1990. Any date not following that format is incorrect and should be ignored. The input ends with -1 on a line alone. Output each correct date as: 3/1/1990. Hint: Use string[start:end] to get a substring when parsing the string and extracting the date. Use the split() method to break the input into tokens. Ex: If the input is: March 1, 1990 April 2 1995 7/15/20 December 13, 2003 -1 then the output is: 3/1/1990 12/13/2003Python 3.7.4: The current calendar, called the Gregorian calendar, was introduced in 1582. Every year divisible by four was created to be a leap year, with the exception of the years ending in 00 (that is, those divisible by 100) and not divisible by 400. For instance, the years 1600 and 2000 are leap years, but 1700, 1800, and 1900 are not. Write a program that requests a year as input and states whether it is a leap year. We need to run this as many times as the user wants to check for leap years. --------------------------- Below is my original program. I need to change it so that it now has a main() function plus three more functions. Do I convert the while loop to an if loop? The instructor said that it was a bad habit to include "break" in loops, so I was able to eliminate that. I just don't know how I can get that many functions out of this program. ''' Determine if a given year is a leap year, running as many times as the user wants to check for leap years''' #…