Which of the following situations will lead to an object being aliased? Select all that apply. O Assigning a string to S1, then using S1 in a function call with header "def foo(x: str) -> None" O Assigning a list to L1, then assigning the result of slicing L1 (i.e., L1[:) to L2 Assigning a list to L1, then assigning the result of a copy() method on L1 to L2 O Assigning a list to L1, then assigning L1 to L2
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- At the interactive prompt, define a list named L that contains four strings or numbers (e.g., L=[0,1,2,3]).a. What happens when you try to index out of bounds(e.g.,L[4])?b. What about slicing out of bounds (e.g.,L[-1000:100])?c. Finally, how does Python handle it if you try to extract a sequence inreverse—with the lower bound greater than the higher bound (e.g., L[3:1])? Hint: try assigning to this slice(L[3:1]=[‘?’]) and see where the value is put.Write in C++ Now, what if Sam wants to insert Eevee after Pikachu but he doesn't know where Pikachu is located in his list. Let's help him search for a Pokemon by its name and insert another Pokemon directly after it. Write a function secondPlace() that takes six parameters and inserts a new Pokemon into a list right after another specified pokemon. Once you find the specified Pokemon, use the insertAfter() function from the previous sub-question to add the new Pokemon. The function should return the new number of strings in the array. Note The same Pokemon may appear in the list multiple times (Sam has a bad memory). Assume that Sam wants every instance of the Pokemon he is searching for to be followed by the Pokemon he is attempting to insert. If the array is already full or if the number of strings that are going to be added to the array plus the current number of strings exceeds the total size of the array, the array should remain unchanged. Assume all inputs are lowercase…2. At the interactive prompt, define a list named L that contains four strings ornumbers (e.g., L=[0,1,2,3]).a. What happens when you try to index out of bounds (e.g., L[4])?b. What about slicing out of bounds (e.g., L[-1000:100])?c. Finally, how does Python handle it if you try to extract a sequence inreverse—with the lower bound greater than the higher bound (e.g.,L[3:1])? Hint: try assigning to this slice(L[3:1]=[‘?’]) and see where thevalue is put
- Write a function that gets a linked list of ints, and reverses it. For example - on input 1 -> 2 -> 3 -> 4, after the function finishes the execution, the list becomes 4 -> 3 -> 2 -> 1 - If the list has one element, then it doesn’t change - If the list is empty, then it doesn’t change You may use the data fields in the struct and the functions provided in LL.h and LL.c. // reverses a linked list void LL_reverse(LL_t* list); Test for the Function: void test_q3() { LL_t* lst = LLcreate(); LL_add_to_tail(lst, 1); LL_add_to_tail(lst, 3); LL_add_to_tail(lst, 8); LL_add_to_tail(lst, 4); LL_add_to_tail(lst, 3); LL_reverse(lst); intcorrect[] = {3,4,8,3,1}; inti; node_t* n = lst->head; for(i=0;i<5;i++) { if (n==NULL) { printf("Q3 ERROR: node %d==NULL unexpected\n", i); return; } if (n->data != correct[i]) { printf("Q3 ERROR: node%d->data==%d, expected %d\n", i, n->data, correct[i]); return; } n = n->next; } if (n==NULL) printf("Q3 ok\n"); } Support…Write a function that gets a linked list of ints, and reverses it. For example - on input 1 -> 2 -> 3 -> 4, after the function finishes the execution, the list becomes 4 -> 3 -> 2 -> 1 - If the list has one element, then it doesn’t change - If the list is empty, then it doesn’t change You may use the data fields in the struct and the functions provided in LL.h and LL.c. // reverses a linked list void LL_reverse(LL_t* list); Test for the Function; void test_q3() { LL_t* lst = LLcreate(); LL_add_to_tail(lst, 1); LL_add_to_tail(lst, 3); LL_add_to_tail(lst, 8); LL_add_to_tail(lst, 4); LL_add_to_tail(lst, 3); LL_reverse(lst); intcorrect[] = {3,4,8,3,1}; inti; node_t* n = lst->head; for(i=0;i<5;i++) { if (n==NULL) { printf("Q3 ERROR: node %d==NULL unexpected\n", i); return; } if (n->data != correct[i]) { printf("Q3 ERROR: node%d->data==%d, expected %d\n", i, n->data, correct[i]); return; } n = n->next; } if (n==NULL) printf("Q3 ok\n"); } Support File…Create a string or list based on the values of other strings, such as dropdown in cells containing Arab countries, dropdown with other cells containing those cities. Countries are specified so that cities change when changing country, and this is done only by (indirect function). in excel
- Complete the docstring below, and use the helper functions attached if necessary: def check_syllable_counts(poem_lines: POEM, description: POETRY_FORM_DESCRIPTION, word_to_phonemes: PRONUNCIATION_DICT) \ -> List[POEM_LINE]: """Return a list of lines from poem_lines that do NOT have the right number of syllables as specified by the poetry form description, according to the pronunciation dictionary word_to_phonemes. If all lines have the right number of syllables, return the empty list. Precondition: len(poem_lines) == len(description[0]) >>> poem_lines = ['The first line leads off,', ... 'With a gap before the next.', 'Then the poem ends.'] >>> description = ((5, 5, 4), ('*', '*', '*')) >>> word_to_phonemes = {'NEXT': ('N', 'EH1', 'K', 'S', 'T'), ... 'GAP': ('G', 'AE1', 'P'), ... 'BEFORE': ('B', 'IH0', 'F',…Which of the following are correct declarations of the 1integer list?You are going to implement a program that creates an unsorted list by using a linked list implemented by yourself. NOT allowed to use LinkedList class or any other classes that offers list functions. It is REQUIRED to use an ItemType class and a NodeType struct to solve this. Use C++, please read instructions carefully and new solution only! The “data.txt” file has three lines of data 100, 110, 120, 130, 140, 150, 160 100, 130, 160 1@0, 2@3, 3@END You need to 1. create an empty unsorted list 2. add the numbers from the first line to list using putItem() function. Then print all the current keys to command line in one line using printAll(). 3. delete the numbers given by the second line in the list by using deleteItem() function. Then print all the current keys to command line in one line using printAll().. 4. putItem () the numbers in the third line of the data file to the corresponding location in the list. For example, 1@0 means adding number 1 at position 0 of the list. Then…
- A linked list is said to contain a cycle if any node is visited more than once while traversing the list. Given a pointer to the head of a linked list, determine if it contains a cycle. If it does, return 1. Otherwise, return 0. Example: head refers to the list of nodes 1 → 2 → 3 → 1 → NULL. There is a cycle where node 3 points back to node 1, so return 1. Function Description: Complete the has cycle function provided in the moodle assignment folder. It has the following parameter: • SinglyLinkedListNode pointer head: a reference to the head of the list. Returns: • int: 1 if there is a cycle or 0 if there is not. Note: if the list is empty, head will be null. Input Format: The code stub reads from stdin and passes the appropriate argument to your function. The custom test cases format will not be described for this question due to its complexity. Expand the section for the main function and review the code if you would like to figure out how to create a custom case. Constraints:…Which of the following implementation is the best in terms of time consumption when we have a music player that allows us to skip to next song, go back to previous song, and automatically goes back to the first song after playing the last one in the list? a.Singly linked list b.Circular Doubly linked list. c. Doubly linked list d.Circular Singly linked list e.All of the above have same preformancePython question, please use a docstring and have comments throughout the code Write a function makeAllStrings() that takes a 2D list (a list of lists) as a parameter and modifies it. It changes the list so that all non-string objects in the list are replaced with an empty string. Strings in the list are left unchanged, so that a list containing only strings would not be modified. The empty list should also not be modified. The function returns the number of changes made by the function in the list. Recall that you can determine if a variable var holds a string by writing type(var) == str. Please write the condition you want and not the opposite of it. Use nested for loop pattern and if-else. Remember to return the count not the list. Remember you can change the value of an item in a list by using the index operator. Below are some sample executions of the function. Use the nested loop and an if-elif in the solution. Don’t forget to include the docstring and comments. Copy and paste or…