(1) Output a menu of automotive services and the corresponding cost of each service. Ex:
Davy's auto shop services
Oil change -- $35
Tire rotation -- $19
Car wash -- $7
Car wax -- $12
(2) Prompt the user for two services from the menu.
Ex:
Select first service:
Oil change
Select second service:
Car wax
(3) Output an invoice for the services selected. Output the cost for each service and the total cost.
Davy's auto shop invoice
Service 1: Oil change, $35
Service 2: Car wax, $12
Total: $47
(4) Extend the program to allow the user to enter a dash (-), which indicates no service.
Ex:
Davy's auto shop services
Oil change -- $35
Tire rotation -- $19
Car wash -- $7
Car wax -- $12
Select first service:
Tire rotation
Select second service:
-Davy's auto shop invoice
Service 1: Tire rotation, $19
Service 2: No service
Total: $19

1. the program must provide following functions to extract some statistics. note that the data_list parameter specified in these functions may be the same for all functions or different for different functions—that is your choice. a skeleton file is provided on mirmir. a) open_file()prompts the user to enter a year number for the data file. the program will check whether the year is between 1990 and 2015 (both inclusive). if year number is valid, the program will try to open data file with file name ‘year.txt’, where is the year. appropriate error message should be shown if the data file cannot be opened or if the year number is invalid. this function will loop until it receives proper input and successfully opens the file. it returns a file pointer and year. i. hint: use string concatenation to construct the file name b) read_file(fp)has one parameter, a file pointer read. this function returns a list of your choosing containing data you need for other parts of this project. c) find_average(data_list) takes a list of data (of some organization of your choosing) and returns the average salary. the function does not print anything. hints: i. this is not the average of the last column of data. it is not mathematically valid to find an average by finding the average of averages—for example, in this case there are many more in the lowest category than in the highest category. ii. how many wage earners are considered in finding the average (denominator)

Avariable definition defines the name of a variable that will be used in a program, as well as

2. fabulously fit offers memberships for$35 per month plus a $50 enrollmentfee. the fitness studio offersmemberships for $40 per month plus a$35 enrollment fee. in how many monthswill the fitness clubs cost the same? what will the cost be?