Please write the code in Python
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Please write the code in Python
![Define a function prime_sequence that takes an optional positive integer
stop and returns a generator that generates prime numbers in ascending
order. If stop is given return prime numbers strictly smaller than stop.
For example:
Test
Result
print(*prime_sequence(10)) 2 35 7
print(*prime_sequence(20)) 2 3 5 7 11 13 17 19](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5b77ec42-e5bd-446c-aaf8-5c0755008fd6%2Fc0d18cce-ad61-4724-9764-7f2cffcb13cb%2Fuuv38u_processed.jpeg&w=3840&q=75)
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- Write a function decimal_to_binary(decimal_number) that takes in a non-negative integer and returns it in binary as an integer representation. Solve this problem using recursion. Use a helper function (with extra parameters) to handle the recursion.Write a function decimal_to_binary(decimal_number) that takes in a non-negative integer and returns it in binary as an integer representation. Solve this problem using recursion. Use a helper function (with extra parameters) to handle the recursion. Examples decimal_to_binary(7) should return 111 decimal_to_binary(128) should return 10000000 decimal_to_binary(5) should return 101 Make sure your function signature matches the given function decimal_to_binary(decimal_number) because I will be using unit tests to evaluate your code. Return an integer representing the binary number from the function, not a string representation. PythonWrite a function def reduced (n): n is a positive int number, greater than 0. The digit 0 does not appear in n. The function returns a positive int number such that includes all digits of n, but only NOT MORE THAN the first 2 most left ones for each digit. examples : reduced(474234524274377)== 474235273 reduced(6666666)=66 reduced(55555777779999966666)==55779966 reduced(5796)==5796 Requirements : Must NOT use strings. Must NOT use recursion. The function should be efficient in Time and Space.
- IN MAGICFS LANGUAGE The Fibonacci sequence begins like this: 0,1,1,2,3,5,8,13,21,... A number in the sequence is the sum of the previous two numbers in the sequence, with first two being 0 and 1. Implement a function named 'fibonacci' that expects a working value of an integer index, and returns the Fibonacci number at that position in the sequence. The index is zero-based. For instance, if given a value of 4, the function should return 3 because the sequence is 0, 1, 1, 2, 3, ... Use subroutines if necessary. Your answer will be evaluated for partial credit. Comments are encouraged.Write a recursive function called draw_triangle() that outputs lines of '*' to form a right side up isosceles triangle. Function draw_triangle() has one parameter, an integer representing the base length of the triangle. Assume the base length is always odd and less than 20. Output 9 spaces before the first '*' on the first line for correct formatting. Hint: The number of '*' increases by 2 for every line drawn. Ex: If the input of the program is: 3 the function draw_triangle() outputs: * *** Ex: If the input of the program is: 19 the function draw_triangle() outputs: * *** ***** ******* ********* *********** ************* *************** ***************** ******************* Note: No space is output before the first '*' on the last line when the base length is 19. if __name__ == '__main__': base_length = int(input()) draw_triangle(base_length)Implement the quadratic_formula() function. The function takes 3 arguments, a, b, and c, and computes the two results of the quadratic formula: x1=−b+b2−4ac2a x2=−b−b2−4ac2a The quadratic_formula() function returns the tuple (x1, x2). Ex: When a = 1, b = -5, and c = 6, quadratic_formula() returns (3, 2). Code provided in main.py reads a single input line containing values for a, b, and c, separated by spaces. Each input is converted to a float and passed to the quadratic_formula() function. Ex: If the input is: 2 -3 -77 the output is: Solutions to 2x^2 + -3x + -77 = 0 x1 = 7 x2 = -5.50 code: # TODO: Import math module def quadratic_formula(a, b, c):# TODO: Compute the quadratic formula results in variables x1 and x2return (x1, x2) def print_number(number, prefix_str):if float(int(number)) == number:print("{}{:.0f}".format(prefix_str, number))else:print("{}{:.2f}".format(prefix_str, number)) if __name__ == "__main__":input_line = input()split_line = input_line.split(" ")a =…
- Write a recursive function called that takes a string of single names separated by spaces and prints out all possible combinations (permutations), each combination on a new line. When the input is: Alice Bob Charlie then the output is: Alice Bob Charlie Alice Charlie Bob Bob Alice Charlie Bob Charlie Alice Charlie Alice Bob Charlie Bob Alice Here is my original code that needs to be fixed: def all_permutations(permList, nameList): # TODO: Implement method to create and output all permutations of the list of names. if nameList == len(permList) - 1: return nameList else: for x in range(permList, len(nameList)): permList[nameList], permList[x] = permList[x], permList[name_List] return all_permutations(permList, nameList + 1) permList[nameList], permList[x] = permList[x], permList[name_List] if __name__ == "main": nameList = input().split(' ') permList = [] all_permutations(permList, nameList)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.Write a function verifsort that accepts a list as a parameter, check if the list elements are sorted and returns: 1 - if the list is sorted in ascending order, 2 – if the list is sorted in descending order, and 0 – if the list is not sorted. Write a function listsort which accepts a list as a parameter, and sorts it in ascending order. You can use any standard sorting algorithm, but don’t use built-in sort methods and functions. The function must sort and return the list. Write a script that asks user to enter 10 integer numbers, creates a list from those numbers, then calls verifsort function to detect if this list is sorted, prints message (list is sorted or list is not sorted) and if it’s not sorted then calls listsort function and prints the sorted list after listsort
- Write a recursive function maxArrayList (ArrayList A, int first, int last) that receives an ArrayList A, first index, last index and returns the largest integer number in the ArrayList A public static int maxArrayList (ArrayList A, int item) that receives an ArrayList A, an integer called item and returns the number of times that item occurs in A public static int searchArrayList (ArrayListWrite a recursive function that takes as a parameter a nonnegative integer and generates the following pattern of stars. If the nonnegative integer is 4, the pattern generated is as follows: **** *** ** * * ** *** **** Also, write a program that prompts the user to enter the number of lines in the pattern and uses the recursive function to generate the pattern. For example, specifying 4 as the number of lines generates the preceding pattern.Write a generator function named count_seq that doesn't require any arguments and generates a sequence that starts like this: 2, 12, 1112, 3112, 132112, 1113122112, 311311222112, 13211321322112, ...To get a term of the sequence, count how many there are of each digit (in a row) in the **previous** term. For example, the first term is "one 2", which gives us the second term "12". That term is "one 1" followed by "one 2", which gives us the third term "1112". That term is "three 1" followed by "one 2", or 3112. Etc.Your generator function won't just go up to some limit - it will keep going indefinitely. It may need to treat the first one or two terms as special cases, which is fine. It should yield the terms of the sequence as **strings**, rather than numeric values, for example "1112" instead of 1112.SEE MORE QUESTIONS
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