Ill try to post the program needed in comments This assignment will use Practical Assignment-7 as a foundation. Modify the .py resulted fron Practical Assignment 7 to meet the following requirements:
- If the file name that the user inputs does not exist in the folder, the user should be asked to try again two times. If the input file is still missing after the third attempt, the program should exit with a message;
- Automatically delete the original file after the encryption is done; use the option where the deleted file is not recoverable;
- For the option requiring a password to encrypt and decrypt, if the decryption password is wrong, the user should be asked to try again two times. If the password is still wrong after the third attempt, the program should exit with a message;

Your program will make use of long long int variables for all calculations. note: the use of long long int requires that you have c++11 support. you should have this automatically if you are using a newer version of visual studio. the support is there for gcc as well, but you may need the -std=c++11 or -std=c++0x compiler flag. you first need to read in the total number of seconds. there is no prompt for the read (that is, you just do the cin without using a cout to display a prompt). this is going to seem a little strange when you are running your program in your ide

Write a grading program for a class with the following grading policies: a. there are two quizzes, each graded on the basis of 10 points. b. there is one midterm exam and one final exam, each graded on the basis of 100 points. c. the final exam counts for 50% of the grade, the midterm counts for 25%, and the two quizzes together count for a total of 25%. (do not forget to normalize the quiz scores. they should be converted to a percentage before they are averaged in.) any grade of 90 or more is an a, any grade of 80 or more (but less than 90) is a b, any grade of 70 or more (but less than 80) is a c, any grade of 60 or more (but less than 70) is a d, and any grade below 60 is an f. the program will read in the student’s scores and output the student’s record, which consists of two quiz and two exam scores as well as the student’s average numeric score for the entire course and final letter grade. define and use a structure for the student reco

Visualizing a game of “tag” to remember the meaning of contagious