Using python 3 to write those program 7. Write a function that creates a file with a specific name(input), writes your name to the file, reads back from the file, then deletes the file. The function should return what is written in the file. input: string outputs: string 8. Write a function that counts the number of occurrence of a spe- cific character in a string. input: string, char output: int 9. Write a function to get the Python version you are using. input: None output: string 10. Write a function that will take in a list of email addresses and return the domain and extension of each. If there are multiple emails with the same domain and extension, do not duplicate in your list. For example, if the emails passed are: [testOne@gmail.com, testTwo@gmail.com, testThree@yahoo.com), your function should just return: [gmail.com, yahoo.com] input: list output: list