/* fill in the code to declare a list_node_t pointer called head */
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Help fill in code!
#if !defined(PRODUCE_H_INCL)
#define PRODUCE_H_INCL
#define PRODUCE_NAME 21
typedef struct produce {
char name[PRODUCE_NAME];
int inven;
} produce_t;
typedef struct list_node {
produce_t data;
struct list_node *restp;
} list_node_t;
typedef struct produce_list {
/* fill in the code to declare a list_node_t pointer called head */
int size;
} produce_list_t;
void read_produce_file (char filename[], produce_list_t *p);
void print_produce (produce_t prod);
void print_produce_list (produce_list_t p);
void write_produce_file (char filename[], produce_list_t p);
list_node_t * search_produce_list (produce_list_t p, char name[]);
int update_produce_list (produce_list_t *p, produce_t prod);
void print_produce_linked_list (produce_list_t p);
#endif
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- program7.pyThis assignment requires the main function and a custom value-returning function. The value-returning function takes a list of random integers as its only argument and returns a smaller list of only the elements that end with 7. This value-returning function must use a list comprehension to create this smaller list.In the main function, code these steps in this sequence: Set random seed to 42 import randomrandom.seed(42) create an empty list that will the hold random integers. use a loop to add 50 random integers to the list. All integers should be between 200 and 250, inclusive. Duplicates are okay. sort the list in ascending order and then use another loop to display all 50 sorted integers on one line separated by spaces. print a slice showing list elements indexed 5 through 10, inclusive. print a second slice showing the final 5 elements in the sorted list. execute the custom function with the entire original list as its sole argument. report the number of elements in…program7.pyThis assignment requires the main function and a custom value-returning function. The value-returning function takes a list of random integers as its only argument and returns a smaller list of only the elements that end with 7. This value-returning function must use a list comprehension to create this smaller list.In the main function, code these steps in this sequence: create an empty list that will the hold random integers. use a loop to add 50 random integers to the list. All integers should be between 200 and 250, inclusive. Duplicates are okay. sort the list in ascending order and then use another loop to display all 50 sorted integers on one line separated by spaces. print a slice showing list elements indexed 5 through 10, inclusive. print a second slice showing the final 5 elements in the sorted list. execute the custom function with the entire original list as its sole argument. report the number of elements in the new "sevens" list returned by the custom…// FILL IN THE BLANKS (LINKED-LISTS CODE) (C++)#include<iostream>using namespace std; struct ________ {int data ;struct node *next; }; node *head = ________;node *createNode() { // allocate a memorynode __________;temp = new node ;return _______ ;} void insertNode(){node *temp, *traverse;int n;cout<< "Enter -1 to end "<<endl;cout<< "Enter the values to be added in list"<<endl;cin>>n; while(n!=-1){temp = createNode(); // allocate memorytemp->data = ________;temp->next = ________;if ( ___________ == NULL){head = _________;} else {traverse = ( );while (traverse->next != ________{traverse = traverse-> ___________;} traverse->next= temp;} cout<<"Enter the value to be added in the list"<<endl;cin>>n; }} void printlist(){node *traverse = head; // if head == NULLwhile (traverse != NULL) { cout<<traverse->data<<" ";traverse = traverse->next;}} int main(){int option; do{cout<<"\n =============== MAIN…
- C++ language. Using the coding prepared below, add and create the Undo last pop, Display undo list and Redo Functions void functions but keep them as they are. NOTE: use the coding given, i don't want a new coding The code: #include<iostream>#include<iomanip>#include<ctype.h> using namespace std; struct nodeWords{ char words[100]; struct nodeWords *next;}; nodeWords* top; //these pointers are used to hold the linked list.nodeWords* current; //use for traversalnodeWords* newNode; //use to create new node for new recordnodeWords* pop; void Push(){ char answer; do { newNode = new nodeWords; cout << "\nWrite what's in your mind.." << endl; cout << "Your words > "; cin >> ws; cin.getline(newNode->words, 100); newNode->next = top; top = newNode; cout << "\nWant to write more? Press Y for yes and N for no: "; cin >> answer; }…this is code #include <iostream> using namespace std; struct Node { int data; struct Node *next; }; struct Node* head = NULL; void insert(int new_data) { struct Node* new_node = (struct Node*) malloc(sizeof(struct Node)); new_node->data = new_data; new_node->next = head; head = new_node; } void display() { struct Node* ptr; ptr = head; while (ptr != NULL) { cout<< ptr->data <<" "; ptr = ptr->next; } } int main() { insert(3); insert(1); insert(7); insert(2); insert(9); cout<<"The linked list is: "; display(); return 0; } i want Re-implement it on doubly linked list take in account the set-position method and the operator overload and coy constructor and destructor ? in c++Define the function (siftNum lst). This function should resolve to all the numbers in the list, lst. For example: (siftNum '(a 8 2 1 m l 90 p 2)) resolves to '(8 2 1 1 90 2).
- Question: Create a function that takes a tuple and returns a dictionary which is a histogram for counting the number of occurrences of each number in the tuple.The main program should take the dictionary, transform the elements into a list, use sort () to order the list (in ascending order) and after that display the list. Please use a picture, commentary for a better understanding and your own code thank you for the exemple, it's the pictureQuestion: struct node { char *name; int marks; node *next; }; By using the above declaration for the Linked List, write a program in C++ to display the summary report regarding the pass/fail ratio of the subject Data Structure for the class BSI-3 that have only 15 students. The required Report Summary for the exam will be like wise: The No. of A grades........??? The No. of B grades........??? And so on by applying the grading criteria of COMSATS-University Islamabad. Question: struct node { char *name; int marks; node *next; }; By using the above declaration for the Linked List, write a program in C++ to display the summary report regarding the pass/fail ratio of the subject Data Structure for the class BSI-3 that have only 15 students. The required Report Summary for the exam will be like wise: The No. of A grades........??? The No. of B grades........??? And so on by applying the grading criteria of COMSATS-University Islamabad.program7.pyThis assignment requires the main function and a custom value-returning function. The value-returning function takes a list of random Fahrenheit temperatures as its only argument and returns a smaller list of only the temperatures above freezing. This value-returning function must use a list comprehension to create the list of above freezing temperatures.In the main function, code these steps in this sequence: create an empty list that will the hold random integer temperatures. use a loop to add 24 random temperatures to the list. All temperatures should be between 10 and 55, inclusive. Duplicates are okay. sort the list in ascending order. use another loop to display all 24 sorted temperatures on one line separated by spaces. 32 could be in the list. If it is, report the index of the first instance of 32. if 32 isn't in the list, add it at index 4. assign a slice consisting of the first six temperatures to a new list. Then print it. execute the custom value-returning…
- Topic: Singly Linked ListImplement the following functions in C++ program. Read the question carefully. Below are the "CODE THAT NEEDS TO BE IMPROVED" or "NOT FINAL CODE" (See attached photo for reference) int add(int num) This will add the element num into the linked list and return the position of the newly-added element. In the above example, having add(60) will return 5 as it is the fifth position in the list. int remove(int num) This will remove the first instance of the element and return the position of the removed element. In the above example, having remove(40) will return 3 as 40 was the third element in the linked list before having removed. int get(int pos) This method will get the element at the specified position. This will return -1 if the specified position is invalid. int add(int num) { addTail(num); return index; } int remove(int num) { node* currnode = head; node* prevnode = NULL;…Incoroporate or use below code as reference #include <stdio.h>#include <stdlib.h>#include <time.h> typedef struct node_struct {int item;struct node_struct *next;} node; /*** 10->NULL* We want to insert 20* First call ([10], 20) [has not finished yet]* {10, {20, NULL}}*** Second call (NULL, 20) {20, NULL}*/node* insert_unordered(node *temp_root, int item) {if (temp_root == NULL) {temp_root = malloc(sizeof(node));temp_root->item = item;temp_root->next = NULL;} else {temp_root->next = insert_unordered(temp_root->next, item);}return temp_root;} /*** This is atypical linked list because* (i) it does not allow duplicates and* (ii) it is sorted* 10->20, i want to insert 15* 10->15->20**/python: def character_dict(prof_dict):"""Question 2- Given a dictionary that maps a character to a list of professors they want totalk to, return a dictionary withthe value being the list sorted by the last letter in each professors' last name.- If two professors have the same last letter of their last name, sort by the first letter of their first name.- THIS MUST BE DONE IN ONE LINEArgs:prof_dict (dict)Returns:dict>>> character_dict({"Harry": ["Albus Dumbledore", "Minerva McGonagall", "Severus Snape", "Rubeus Hagrid"], "Hermione": ["Remus Lupin", "Alastor Moody", "Horace Slughorn"]}){'Harry': ['Rubeus Hagrid', 'Albus Dumbledore', 'Severus Snape', 'Minerva McGonagall'], 'Hermione': ['Horace Slughorn', 'Remus Lupin', 'Alastor Moody']}>>> character_dict({"Scorpius": ["Severus Snape", "Dolores Umbridge", "Horace Slughorn"], "Neville": ["Cuthbert Binns", "Rubeus Hagrid", "Minerva McGonagall"]}){'Scorpius': ['Dolores Umbridge', 'Severus Snape', 'Horace Slughorn'],…
