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;

Signal sets company contracts to deliver one hundred 52-inch plasma high-definition television sets to a new retail customer, tuner tv store, on may 1, with payment to be made on delivery. signal tenders delivery in its own truck. tuner's manager notices that some of the cartons have scrape marks. tuner's owner phones signal's office and asks whether the sets might have been damaged as they were being loaded. signal assures tuner that the sets are in perfect condition. tuner tenders signal a check, which signal refuses, claiming that the first delivery to new customers is always for cash. tuner promises to pay the cash within two days. signal leaves the sets with tuner, which stores them in its warehouse pending its "grand opening sale" on may 15. two days later, tuner's stocker opens some of the cartons and discovers that a number of the sets are damaged beyond ordinary repair. signal claims tuner has accepted the sets and is in breach by not paying on delivery. will signal succeed on these claims? explain.

On the loan worksheet in cell c9 enter pmt function to calculate the monthly payment for the altamonte springs 2018 facilities loan. ensure that the function returns a positive value and set the reference to cells b5 and b6 as absolute references.

Technician a says that a shop towel should never be used to clean around the flange area before replacing an automatic transmission filter. technician b says that a dimpled transmission fluid pan can be repaired. who is right