d Consider the assertions given bedef calc(expression):pass# DO NOT SUBMIT THE LINES BELOW!#assert calc("+ 1 2") == 3#assert calc("- 1 2") == -1#assert calc("* 1 2") == 2#assert calc("/ 1 2") == 0.5#assert calc("* 1 -2") == -2#assert calc("* 10.5 2") == 21#assert calc("* -10.5 -2") == 21you ENGLISHImplement a function calc, which takes a string expression that contains a simple mathematicalexpression in prefix notation operator x y (an addition, subtraction, multiplication or division). The functionshould be able to process integers and floats, and return the result as a number. If dividing by zero, aValueError should be raised. Consider the assertions given below as examples for using calc.def calc(expression):

Example-Java code for a command line argument program public class Test{ int Trails; int…

Answered: Implement a function calc, which takes…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Write a function in JAVA that finds and prints the sum of two numbers and the function does not take any parameters. Both the numbers are read input from the user inside the function iself.
Please write a full code in JAVA for this: A function foo has k integers as input arguments, i.e., foo(int n1, int n2, ..., int nk). Each argument may belong to a different equivalence class, which are stored in an Eq.txt file. In the file, the nth row describes the nth input. Take the second row for example. The data 1, 10; 11, 20; 21, 30 indicates that n2 has three equivalence classes separated by the semi-colons. There is an internal method “int check(int n)” that returns the equivalence class n is in. The result of check(n2 = 3) will be 1 and check(n2 = 25) will be 3. Regarding the function foo, it computes the sum of the returned values by the check function for all input arguments.Follow the Eq.txt file to automatically create test cases for Strong Normal Equivalence class testing. The input argument values are randomly generated. Store your prepared test cases to a test.txt file. Each test case comes with an expected output at the end. All values are delimited by a comma.…
Write a function in JAVA language that accepts three integer parameters and returns true if two or more of them (integers) have the same rightmost digit. The integers are non-negative. Inside the main function test the function for at least two test cases.
Implement a function, countVowels, which takes in a string and counts the number of vowels that are contained within it. Make sure that both capital vowels and lowercase vowels are counted. Your starter code contains a main function, which asks for user input and outputs the number of vowels. You will need to implement the user input for the string. Sample Runs (user input is italicized and underlined): Enter a phrase: Hello World!Number of vowels: 3 Enter a phrase: PROGRAMMING IS EXCELLENT.Number of vowels: 7 #include <string>#include <iostream>using namespace std; int countVowels(string word); int main(){ string phrase; cout << "Enter a phrase: "; // To do: implement user input cout << "Number of vowels: " << countVowels(phrase) << endl;} // To do: Implement countVowels int countVowels(string word){}
Implement a function eligible in Python that returns a list of the names of people that are eligible for vaccination, subject to a minimum age requirement. The function eligible must: accept two arguments: 1. the minimum age for eligibility, a positive integer 2. a multiline string, containing the people waiting to be vaccinated. Each line of the stringcontains a person's name and their age, separated by a single space. return a list of the people who are eligible to be vaccinated, i.e., those whose ages is at least that of the minimum age for eligibility. They should be listed in the order they occur in the input string. Sample: >>> people = 'Sue 25\nAli 45\nSyd 45\nSally 105\nIan 16\nUli 65\nOliver 23\nZoe 95'>>> print(people)Sue 25Ali 45Syd 45Sally 105Ian 16Uli 65Oliver 23Zoe 95
Implement a function alterCase in Python that converts a word to "alterCase". Given a word, using any mix of upper and lower case letters, the function then returns the same word, except that the first letter is upper case, the second is lower case, and then cases of letters alternate throughout the rest of the word. >>> alterCase('apple')'ApPlE'
1. a.Palindromes Complete the function palindrome(String text). Return true if text is a palindrome; if the word is identical forward and backward. Otherwise, return false. Example: palindrome(“racecar”) == true palindrome(“kayaks”) == false See main() for more examples. You can use text.charAt(i) to find the character at index i of text. Use recursion. palindrome() should call itself. No loops allowed. b. Complete the function nestedBrackets(String s). This function should find properly nested brackets within s. Return true if brackets are opened and closed correctly, and false otherwise. Single pairs and nested pairs are valid. For example: z[z]z, [zz[zz]z], [z[[z]zzz]], zzzzz Incorrect pairings and multiple separate pairs are not valid. For example: zz[zz, ]zzz[, [zzz][z], [z[z][z]z] See main() for more examples. nestedBrackets() should call firstIndexOf() and lastIndexOf() to help you solve the problem. Use recursion. nestedBrackets() should call itself. No loops…
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