
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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What will the following code display?
values = [2, 4, 6, 8, 10]
print(values[1:3])
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- Write a statement that assigns the value 50 to the very last element in the values array int[,] values = new decimal[200, 100];arrow_forward#include<stdio.h>#include<string.h>struct info{char names[100];int age;float wage;};int main(int argc, char* argv[]) {int line_count = 0;int index, i;struct info hr[10];if (argc != 2)printf("Invalid user_input!\n");else {FILE* contents = fopen (argv[1], "r");struct info in;if (contents != NULL) {printf("File has been opened successfully.\n\n");while (fscanf(contents, "%s %d %f\n",hr[line_count].names, &hr[line_count].age, &hr[line_count].wage) != EOF) {printf("%s %d %f\n", hr[line_count].names, hr[line_count].age, hr[line_count].wage);line_count++;}printf("\nTotal number of lines in document are: %d\n\n", line_count);fclose(contents);printf("Please enter a name: ");char user_input[100];fgets(user_input, 30, stdin);user_input[strlen(user_input)-1] = '\0';index = -1;for(i = 0; i < line_count; i++){if(strcmp(hr[i].names, user_input) == 0){index = i;break;}}if(index == -1)printf("Name %s not found\n", user_input);else{while(fread(&in, sizeof(struct info), 1,…arrow_forwardI need the answer quicklyarrow_forward
- lst = [10, 20, 30, 40, 50, 60, 70, 80] def f(lst, seek): for i in range(len(lst)): if lst[i] == seek: return i # Return position immediately return None f(lst,50) What is the output of this code part? A)3 B)4 C)5 D)nonearrow_forwardL = [[[1,2], [3,4,5]], "friday", {'x': "halloween", 'y':7, 'z’:77}, {10, 11, 12}] Show the commands for the following operations on L a) retrieve 'w' inside string "halloween" b) retrieve 4 c) retrieve 'y' in string "friday" d) change the value of key 'z' to 100 e) place 'A' inside [3, 4, 5] f) place 'B' inside {10, 11, 12}arrow_forwardAssume int[] t = {0, 1, 2, 3, 4, 5}; What is t[6]? undefined, there is an error in this code 4 6 5arrow_forward
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