The sieve of Eratosthenes is a way of computing all the prime numbers below a certain number. (A prime number is a number that is only divisible by itself and 1) Implementing this algorithm should be done without any libraries or importing anything to the program. Implement a function crossoutmultiples() that takes as arguments a list of boolean values (true/false) called is_prime and a number n. The function sets the boolean values at all multiples of n (2*n, 3*n, 4*n ...) that are in the list to false. Implement a function sieve(n) which gives back a list of all primes below n. the code : def crossoutmultiples(isprime,n) : pass def sieve(n): pass

The sieve of Eratosthenes is a way of computing all the prime numbers below a certain number. (A prime number is a number that is only divisible by itself and 1) Implementing this algorithm should be done without any libraries or importing anything to the program. Implement a function crossoutmultiples() that takes as arguments a list of boolean values (true/false) called is_prime and a number n. The function sets the boolean values at all multiples of n (2n, 3n, 4*n ...) that are in the list to false. Implement a function sieve(n) which gives back a list of all primes below n. the code : def crossoutmultiples(isprime,n) : pass def sieve(n): pass

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter6: Modularity Using Functions

Section6.4: A Case Study: Rectangular To Polar Coordinate Conversion

Problem 9E: (Numerical) Write a program that tests the effectiveness of the rand() library function. Start by...

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(Numerical) Write a program that tests the effectiveness of the rand() library function. Start by initializing 10 counters to 0, and then generate a large number of pseudorandom integers between 0 and 9. Each time a 0 occurs, increment the variable you have designated as the zero counter; when a 1 occurs, increment the counter variable that’s keeping count of the 1s that occur; and so on. Finally, display the number of 0s, 1s, 2s, and so on that occurred and the percentage of the time they occurred.
A palindrome is any word, phrase, or sentence that reads the same forward and backward. Here are some well-known palindromes:Able was I, ere I saw ElbaA man, a plan, a canal, PanamaDesserts, I stressedKayakWrite a bool function that uses recursion to determine if a string argument is a palindrome. The function should return true if the argument reads the same forward andbackward. Demonstrate the function in a program.
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The numpy module contains functions to generate random permutations. Given a non-negative integer n, every permutation of 2n numbers can be turned into a matching by taking the first half of the permutation entries (i.e., the first n numbers) and connecting each of them to the corresponding entry in the second half (i.e., the last n numbers). Use this method to write a function random_matching that takes n and returns a randomly selected matching of 2n numbers in the form of a list of n tuples, where each tuple contains two integers. Note: Ensure that the tuples are returned such that the first integer is less than the second integer. To demonstrate that your code works, draw the arc diagrams for five randomly chosen matchings of 20 numbers.
In python. Include docstring. Please follow code requirements as listed below. Write a recursive function named is_subsequence that takes two string parameters and returns True if the first string is a subsequence of the second string, but returns False otherwise. We say that string A is a subsequence of string B if you can derive A by deleting zero or more letters from B without changing the order of the remaining letters. The empty string (which has zero characters) is considered a subsequence of any string (since you can derive it by deleting zero or more letters from any string). You can assume that the only characters in the strings will be lower case letters (though that shouldn't really affect your code). Note: subsequences are different than substrings, since the characters of a subsequence don't have to be consecutive. For example, 'aeiou' is a subsequence of 'faceitious', since all the characters appear in the same order, even though they're not consecutive. You may use…
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Write a function print_daily_totals(rainfalls) that prints the total rainfall for each day of rainfall values given. The parameter rainfalls is a list of rows, where each row is a list of rainfall values for a day, like the rainfalls list described earlier in this learning module except that rows may be of any length. Output should be formatted as in the table below. Note: This is intended as an exercise requiring the use of nested for loops, so you are not allowed to use the built-in sum function. For example: Test Result daily_rain = [ [о, 9, 3, 71, [11, 9, 0, 0], [о, 10, 12, 201, [0, 0, 0, 0], [1, 3, 4, 1), [2, 8, 10, 0], [0, 0, 0, 0] Day 0 total: 19 Day 1 total: 20 Day 2 total: 42 Day 3 total: 0 Day 4 total: 9 Day 5 total: 20 Day 6 total: 0 print_daily_totals(daily_rain) patchy_rain = [ [1, 7, 9], [], [9, 1, 21, [10, 5], [20] Day 0 total: 17 Day 1 total: 0 Day 2 total: 12 Day 3 total: 15 Day 4 total: 20 print_daily_totals(patchy_rain)
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In python, The function make_abbreviation takes one parameter, wordlist, a list of words, and produces an acronym out of the words in the list, with a period after each initial character. The function returns the resulting acronym string. For example, the input ["International", "Business", "Machines"] would cause the function to return "I.B.M." Write a function definition for make_abbreviation. Hint: Use the accumulate-a-string pattern. - Initialize the accumulator variable to "", the empty string. - Iterate w over the items wordlist - Inside the for loop, update the accumulator variable by concatenating it with the first character in the current word as well as a period. For example: Test Result wordlist = ["Post", "Meridiem"] print(make_abbreviation(wordlist)) P.M. wordlist = ["Joint", "Photographic", "Experts", "Group"] print(make_abbreviation(wordlist)) J.P.E.G.